meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-phosphor/dbus/dbus-perms.bb b/meta-phosphor/recipes-phosphor/dbus/dbus-perms.bb
index b194740..ca60b69 100644
--- a/meta-phosphor/recipes-phosphor/dbus/dbus-perms.bb
+++ b/meta-phosphor/recipes-phosphor/dbus/dbus-perms.bb
@@ -10,7 +10,7 @@
 
 SRC_URI += "file://org.openbmc.conf"
 
-do_install_append() {
+do_install:append() {
         install -d ${D}${dbus_system_confdir}
         install -m 0644 ${WORKDIR}/org.openbmc.conf \
                 ${D}${dbus_system_confdir}