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/ipmi/openpower-ipmi-oem_git.bb b/meta-openpower/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
index f817dff..e47a5d5 100644
--- a/meta-openpower/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
+++ b/meta-openpower/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
@@ -31,6 +31,6 @@
 
 S = "${WORKDIR}/git"
 
-FILES_${PN}_append = " ${libdir}/ipmid-providers/lib*${SOLIBS}"
-FILES_${PN}_append = " ${libdir}/host-ipmid/lib*${SOLIBS}"
-FILES_${PN}-dev_append = " ${libdir}/ipmid-providers/lib*${SOLIBSDEV} ${libdir}/ipmid-providers/*.la"
+FILES:${PN}:append = " ${libdir}/ipmid-providers/lib*${SOLIBS}"
+FILES:${PN}:append = " ${libdir}/host-ipmid/lib*${SOLIBS}"
+FILES:${PN}-dev:append = " ${libdir}/ipmid-providers/lib*${SOLIBSDEV} ${libdir}/ipmid-providers/*.la"