meta-ibm: prep for new override syntax

Change-Id: I9116ed7260e369136acb39eec15075db2d4dbeba
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/recipes-phosphor/dbus/power-supply-policy.bb b/meta-ibm/recipes-phosphor/dbus/power-supply-policy.bb
index 8d3df46..b55efb3 100644
--- a/meta-ibm/recipes-phosphor/dbus/power-supply-policy.bb
+++ b/meta-ibm/recipes-phosphor/dbus/power-supply-policy.bb
@@ -6,7 +6,7 @@
 inherit allarch
 inherit phosphor-dbus-monitor
 
-FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/${BPN}:"
 
 SRC_URI += "file://power-supply-policy.yaml"
 
@@ -14,4 +14,4 @@
         install -D ${WORKDIR}/power-supply-policy.yaml ${D}${config_dir}/power-supply-policy.yaml
 }
 
-FILES_${PN} += "${config_dir}/power-supply-policy.yaml"
+FILES:${PN} += "${config_dir}/power-supply-policy.yaml"