meta-quanta: meta-gbs: Cleanup for Yocto override syntax change

Cleanup with
```
convert-overrides.py meta-quanta/meta-gbs

git grep "_[a-z0-9_/-]*[ :]" -- meta-quanta/meta-gbs

git grep -l _gbs -- meta-quanta/meta-gbs \
  | xargs sed -i 's/_gbs/:gbs/'
```

After cleanup
```
$ git grep "_[a-z0-9_/-]*[ :]" -- meta-quanta/meta-gbs/ | grep '.bb'
meta-quanta/meta-gbs/recipes-bsp/images/npcm7xx-igps-native_%.bbappend:addtask do_gbs_prepare_xmls after do_patch before do_install
meta-quanta/meta-gbs/recipes-gbs/gbs-sysinit/gbs-sysinit.bb:do_install () {
meta-quanta/meta-gbs/recipes-google/acpi-power-state/acpi-power-state-daemon_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/fans/phosphor-pid-control_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/gpio/phosphor-gpio-monitor_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/interfaces/bmcweb_%.bbappend:do_install:append:gbs(){
meta-quanta/meta-gbs/recipes-phosphor/inventory/phosphor-inventory-manager_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/ipmi/phosphor-ipmi-blobs-binarystore_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/leds/phosphor-led-manager_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-nvme_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-virtual-sensor_%.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-quanta/network/usb-network.bbappend:do_install:append:gbs() {
meta-quanta/meta-gbs/recipes-x86/chassis/x86-power-control_%.bbappend:do_install:append:gbs() {
```

Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: If640ddd3c6f6084bb0a1d82e2d18fa2640d9d83e
diff --git a/meta-quanta/meta-gbs/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-quanta/meta-gbs/recipes-phosphor/images/obmc-phosphor-image.bbappend
index 2ed0fb7..494f9f4 100644
--- a/meta-quanta/meta-gbs/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/meta-quanta/meta-gbs/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -1,45 +1,45 @@
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-host-postd"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-sel-logger"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " google-ipmi-sys"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " google-ipmi-i2c"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-hotswap-power-cycle"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " loadsvf"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-cpld-ver-check"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " memtester"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " net-tools"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-boot-status-led"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-nvme"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-detect-gpio-present"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-ecc"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-sysinit"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " gbs-ipmi-entity-association-map"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " usb-network"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-image-signing"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " openssl-bin"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-ipmi-blobs-binarystore"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-virtual-sensor"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " acpi-power-state-daemon"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " virtual/obmc-gpio-presence"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " ipmitool"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-health-monitor"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-host-postd"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-sel-logger"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " google-ipmi-sys"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " google-ipmi-i2c"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-hotswap-power-cycle"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " loadsvf"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-cpld-ver-check"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " memtester"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " net-tools"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-boot-status-led"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-nvme"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-detect-gpio-present"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-ecc"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-sysinit"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " gbs-ipmi-entity-association-map"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " usb-network"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-image-signing"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " openssl-bin"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-ipmi-blobs-binarystore"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-virtual-sensor"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " acpi-power-state-daemon"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " virtual/obmc-gpio-presence"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " ipmitool"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-health-monitor"
 
 # Add back packages that were part of packagegroup-obmc-apps-extras
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-hwmon"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-inventory-manager"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-hwmon"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-inventory-manager"
 # Required for obmc-bmcweb
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " bmcweb"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-bmcweb-cert-config"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-nslcd-authority-cert-config"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-user-manager"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " bmcweb"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-bmcweb-cert-config"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-nslcd-authority-cert-config"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-user-manager"
 # Required for LEDs. Part of obmc-leds
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " ${VIRTUAL-RUNTIME_obmc-leds-manager}"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " ${VIRTUAL-RUNTIME_obmc-leds-sysfs}"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " ${VIRTUAL-RUNTIME_obmc-led-monitor}"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " ${VIRTUAL-RUNTIME_obmc-leds-manager}"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " ${VIRTUAL-RUNTIME_obmc-leds-sysfs}"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " ${VIRTUAL-RUNTIME_obmc-led-monitor}"
 # Required for the front port. Part of obmc-console
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " obmc-console"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " obmc-console"
 # Required from packagegroup-gbs-apps
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " virtual/bios-update"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " x86-power-control"
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " phosphor-pid-control"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " virtual/bios-update"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " x86-power-control"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " phosphor-pid-control"
 # Required for phosphor-ipmi-kcs
-OBMC_IMAGE_EXTRA_INSTALL_append_gbs = " virtual-obmc-host-ipmi-hw"
+OBMC_IMAGE_EXTRA_INSTALL:append:gbs = " virtual-obmc-host-ipmi-hw"