meta-inspur: Cleanup for Yocto override syntax change

Refer to: https://lore.kernel.org/openbmc/YQ1FD5q8KbhbXVBK@heinlein/

```
poky/scripts/contrib/convert-overrides.py meta-inspur

git grep "_[a-z0-9_/-]*[ :]" -- meta-inspur | grep ".bb"

git grep -l _fp5280g2 -- meta-inspur | xargs sed -i \
's/_fp5280g2/:fp5280g2/'
git grep -l _on5263m5 -- meta-inspur | xargs sed -i \
's/_on5263m5/:on5263m5/'
git grep -l _virtual  -- meta-inspur | xargs sed -i \
's/_virtual/:virtual/'

```

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I5ef5039691caf5e33fb865da0fdd70d95d7e3bdf
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/fans/phosphor-fan_%.bbappend b/meta-inspur/meta-fp5280g2/recipes-phosphor/fans/phosphor-fan_%.bbappend
index 2e3dcad..319cd16 100644
--- a/meta-inspur/meta-fp5280g2/recipes-phosphor/fans/phosphor-fan_%.bbappend
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/fans/phosphor-fan_%.bbappend
@@ -1,21 +1,21 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/${BPN}:"
 
 # Package configuration
 FAN_PACKAGES += " \
         phosphor-cooling-type \
 "
 
-PACKAGECONFIG_append_fp5280g2 = " cooling-type"
+PACKAGECONFIG:append:fp5280g2 = " cooling-type"
 
 TMPL_COOLING = "phosphor-cooling-type@.service"
 INSTFMT_COOLING = "phosphor-cooling-type@{0}.service"
 COOLING_TGT = "multi-user.target"
 FMT_COOLING = "../${TMPL_COOLING}:${COOLING_TGT}.requires/${INSTFMT_COOLING}"
 
-FILES_phosphor-cooling-type = "${bindir}/phosphor-cooling-type"
-SYSTEMD_SERVICE_phosphor-cooling-type += "${TMPL_COOLING}"
+FILES:phosphor-cooling-type = "${bindir}/phosphor-cooling-type"
+SYSTEMD_SERVICE:phosphor-cooling-type += "${TMPL_COOLING}"
 SYSTEMD_LINK_phosphor-cooling-type += "${@compose_list(d, 'FMT_COOLING', 'OBMC_CHASSIS_INSTANCES')}"
 
 COOLING_ENV_FMT = "obmc/phosphor-fan/phosphor-cooling-type-{0}.conf"
 
-SYSTEMD_ENVIRONMENT_FILE_phosphor-cooling-type_append_fp5280g2 = " ${@compose_list(d, 'COOLING_ENV_FMT', 'OBMC_CHASSIS_INSTANCES')}"
+SYSTEMD_ENVIRONMENT_FILE_phosphor-cooling-type:append:fp5280g2 = " ${@compose_list(d, 'COOLING_ENV_FMT', 'OBMC_CHASSIS_INSTANCES')}"