meta-facebook: prep for new override syntax

Ran `scripts/contrib/convert-overrides.py` from upstream Yocto and
fixed up a few by hand that were missed.

Tested: Built bletchley and tiogapass.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I0489ba007132901697e4ef1a29b03a3591b3ee3b
diff --git a/meta-facebook/conf/machine/include/facebook.inc b/meta-facebook/conf/machine/include/facebook.inc
index 2993dc4..33e95af 100644
--- a/meta-facebook/conf/machine/include/facebook.inc
+++ b/meta-facebook/conf/machine/include/facebook.inc
@@ -6,12 +6,12 @@
 
 VIRTUAL-RUNTIME_skeleton_workbook = "${MACHINE}-config"
 
-PREFERRED_PROVIDER_virtual/obmc-chassis-mgmt = "packagegroup-fb-apps"
-PREFERRED_PROVIDER_virtual/obmc-fan-mgmt = "packagegroup-fb-apps"
-PREFERRED_PROVIDER_virtual/obmc-flash-mgmt = "packagegroup-fb-apps"
-PREFERRED_PROVIDER_virtual/obmc-inventory-data ?= "${VIRTUAL-RUNTIME_skeleton_workbook}"
-PREFERRED_PROVIDER_virtual/obmc-system-mgmt = "packagegroup-fb-apps"
+PREFERRED_PROVIDER:virtual/obmc-chassis-mgmt = "packagegroup-fb-apps"
+PREFERRED_PROVIDER:virtual/obmc-fan-mgmt = "packagegroup-fb-apps"
+PREFERRED_PROVIDER:virtual/obmc-flash-mgmt = "packagegroup-fb-apps"
+PREFERRED_PROVIDER:virtual/obmc-inventory-data ?= "${VIRTUAL-RUNTIME_skeleton_workbook}"
+PREFERRED_PROVIDER:virtual/obmc-system-mgmt = "packagegroup-fb-apps"
 
-IMAGE_FEATURES_remove = "obmc-ikvm"
+IMAGE_FEATURES:remove = "obmc-ikvm"
 
 OVERRIDES .= ":facebook"