meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/classes/skeleton-sdbus.bbclass b/meta-phosphor/classes/skeleton-sdbus.bbclass
index d6a1eab..c126b31 100644
--- a/meta-phosphor/classes/skeleton-sdbus.bbclass
+++ b/meta-phosphor/classes/skeleton-sdbus.bbclass
@@ -1,11 +1,11 @@
 inherit skeleton
 
-DEPENDS_append_class-target = " systemd"
+DEPENDS:append:class-target = " systemd"
 
-do_compile_class-native() {
+do_compile:class-native() {
     :
 }
 
-do_install_append_class-target() {
+do_install:append:class-target() {
         oe_runmake install DESTDIR=${D}
 }