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/conf/machine/gbs.conf b/meta-quanta/meta-gbs/conf/machine/gbs.conf
index 59973e8..f2ab09c 100644
--- a/meta-quanta/meta-gbs/conf/machine/gbs.conf
+++ b/meta-quanta/meta-gbs/conf/machine/gbs.conf
@@ -25,35 +25,35 @@
 PREFERRED_PROVIDER_virtual/bmc-update = "gbs-bmc-update"
 
 # Remove unneeded binaries from image
-IMAGE_FEATURES_remove = "obmc-bmc-state-mgmt"
-IMAGE_FEATURES_remove = "obmc-bmcweb"
-IMAGE_FEATURES_remove = "obmc-chassis-mgmt"
-IMAGE_FEATURES_remove = "obmc-chassis-state-mgmt"
-IMAGE_FEATURES_remove = "obmc-console"
-IMAGE_FEATURES_remove = "obmc-dbus-monitor"
-IMAGE_FEATURES_remove = "obmc-devtools"
-IMAGE_FEATURES_remove = "obmc-fan-control"
-IMAGE_FEATURES_remove = "obmc-fan-mgmt"
-IMAGE_FEATURES_remove = "obmc-flash-mgmt"
-IMAGE_FEATURES_remove = "obmc-fru-ipmi"
-IMAGE_FEATURES_remove = "obmc-health-monitor"
-IMAGE_FEATURES_remove = "obmc-host-ctl"
-IMAGE_FEATURES_remove = "obmc-host-ipmi"
-IMAGE_FEATURES_remove = "obmc-host-state-mgmt"
-IMAGE_FEATURES_remove = "obmc-ikvm"
-IMAGE_FEATURES_remove = "obmc-inventory"
-IMAGE_FEATURES_remove = "obmc-leds"
-IMAGE_FEATURES_remove = "obmc-logging-mgmt"
-IMAGE_FEATURES_remove = "obmc-remote-logging-mgmt"
-IMAGE_FEATURES_remove = "obmc-rng"
-IMAGE_FEATURES_remove = "obmc-net-ipmi"
-IMAGE_FEATURES_remove = "obmc-sensors"
-IMAGE_FEATURES_remove = "obmc-software"
-IMAGE_FEATURES_remove = "obmc-system-mgmt"
-IMAGE_FEATURES_remove = "obmc-telemetry"
-IMAGE_FEATURES_remove = "obmc-debug-collector"
-IMAGE_FEATURES_remove = "obmc-settings-mgmt"
-IMAGE_FEATURES_remove = "obmc-network-mgmt"
-IMAGE_FEATURES_remove = "obmc-user-mgmt"
-IMAGE_FEATURES_remove = "obmc-user-mgmt-ldap"
-OBMC_IMAGE_BASE_INSTALL_remove = "packagegroup-obmc-apps-extras"
+IMAGE_FEATURES:remove = "obmc-bmc-state-mgmt"
+IMAGE_FEATURES:remove = "obmc-bmcweb"
+IMAGE_FEATURES:remove = "obmc-chassis-mgmt"
+IMAGE_FEATURES:remove = "obmc-chassis-state-mgmt"
+IMAGE_FEATURES:remove = "obmc-console"
+IMAGE_FEATURES:remove = "obmc-dbus-monitor"
+IMAGE_FEATURES:remove = "obmc-devtools"
+IMAGE_FEATURES:remove = "obmc-fan-control"
+IMAGE_FEATURES:remove = "obmc-fan-mgmt"
+IMAGE_FEATURES:remove = "obmc-flash-mgmt"
+IMAGE_FEATURES:remove = "obmc-fru-ipmi"
+IMAGE_FEATURES:remove = "obmc-health-monitor"
+IMAGE_FEATURES:remove = "obmc-host-ctl"
+IMAGE_FEATURES:remove = "obmc-host-ipmi"
+IMAGE_FEATURES:remove = "obmc-host-state-mgmt"
+IMAGE_FEATURES:remove = "obmc-ikvm"
+IMAGE_FEATURES:remove = "obmc-inventory"
+IMAGE_FEATURES:remove = "obmc-leds"
+IMAGE_FEATURES:remove = "obmc-logging-mgmt"
+IMAGE_FEATURES:remove = "obmc-remote-logging-mgmt"
+IMAGE_FEATURES:remove = "obmc-rng"
+IMAGE_FEATURES:remove = "obmc-net-ipmi"
+IMAGE_FEATURES:remove = "obmc-sensors"
+IMAGE_FEATURES:remove = "obmc-software"
+IMAGE_FEATURES:remove = "obmc-system-mgmt"
+IMAGE_FEATURES:remove = "obmc-telemetry"
+IMAGE_FEATURES:remove = "obmc-debug-collector"
+IMAGE_FEATURES:remove = "obmc-settings-mgmt"
+IMAGE_FEATURES:remove = "obmc-network-mgmt"
+IMAGE_FEATURES:remove = "obmc-user-mgmt"
+IMAGE_FEATURES:remove = "obmc-user-mgmt-ldap"
+OBMC_IMAGE_BASE_INSTALL:remove = "packagegroup-obmc-apps-extras"