meta-ibm: prep for new override syntax

Change-Id: I9116ed7260e369136acb39eec15075db2d4dbeba
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/conf/machine/witherspoon-tacoma.conf b/meta-ibm/conf/machine/witherspoon-tacoma.conf
index 7860e3e..bf10d16 100644
--- a/meta-ibm/conf/machine/witherspoon-tacoma.conf
+++ b/meta-ibm/conf/machine/witherspoon-tacoma.conf
@@ -24,11 +24,11 @@
 PHOSPHOR_MRW_URI = "git://github.com/open-power/witherspoon-xml"
 PHOSPHOR_MRW_REV = "c622cb5a5dd3ebc2a4eef558d1b70740f914e6f7"
 
-VIRTUAL-RUNTIME_phosphor-hwmon-config_df-mrw = ""
+VIRTUAL-RUNTIME_phosphor-hwmon-config:df-mrw = ""
 
-PREFERRED_PROVIDER_virtual/phosphor-fan-control-fan-config_df-mrw = \
+PREFERRED_PROVIDER_virtual/phosphor-fan-control-fan-config:df-mrw = \
     "phosphor-fan-control-fan-config"
-PREFERRED_PROVIDER_virtual/phosphor-fan-presence-config_df-mrw = \
+PREFERRED_PROVIDER_virtual/phosphor-fan-presence-config:df-mrw = \
     "phosphor-fan-presence-config"
 
 # The eMMC on Tacoma is just 1GB smaller than Rainier. The template file
@@ -38,7 +38,7 @@
 # partition is 5GB, therefore setting it to 4GB for Tacoma.
 WKS_HOSTFW_SIZE = "4G"
 
-IMAGE_FEATURES_remove = "obmc-ikvm"
+IMAGE_FEATURES:remove = "obmc-ikvm"
 
 DEBUG_TRIGGERS = "kcs2"
-PACKAGECONFIG_append_pn-debug-trigger = " triggers"
+PACKAGECONFIG:append:pn-debug-trigger = " triggers"