meta-openpower: prep for new override syntax

Change-Id: I5ca16c6fa7bc616bfa9bc41c4f86d32fd92b0287
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-openpower/recipes-phosphor/webui/phosphor-webui_%.bbappend b/meta-openpower/recipes-phosphor/webui/phosphor-webui_%.bbappend
index fc087d7..b73090e 100644
--- a/meta-openpower/recipes-phosphor/webui/phosphor-webui_%.bbappend
+++ b/meta-openpower/recipes-phosphor/webui/phosphor-webui_%.bbappend
@@ -1,8 +1,8 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/${BPN}:"
 
-SRC_URI_append_df-openpower = " file://config.json"
+SRC_URI:append:df-openpower = " file://config.json"
 
-do_configure_append_df-openpower() {
+do_configure:append:df-openpower() {
     # Overwrite the config.json to turn off/on Web UI panels
     # E.g. Turn off the Redfish Event Log Panel since openpower systems use
     # the D-Bus Event Log Panel