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/network/first-boot-set-hostname_1.0.bb b/meta-openpower/recipes-phosphor/network/first-boot-set-hostname_1.0.bb
index f3f7d34..20161bc 100644
--- a/meta-openpower/recipes-phosphor/network/first-boot-set-hostname_1.0.bb
+++ b/meta-openpower/recipes-phosphor/network/first-boot-set-hostname_1.0.bb
@@ -6,9 +6,9 @@
 
 inherit allarch systemd
 
-RDEPENDS_${PN} = "${VIRTUAL-RUNTIME_base-utils}"
+RDEPENDS:${PN} = "${VIRTUAL-RUNTIME_base-utils}"
 
-SYSTEMD_SERVICE_${PN} = "first-boot-set-hostname.service"
+SYSTEMD_SERVICE:${PN} = "first-boot-set-hostname.service"
 
 SRC_URI = "file://${BPN}.sh file://${BPN}.service"