Switch to systemd state management

Enable systemd chassis and bmc state management support for Phosphor.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I180496eb8e48dfc617f944053b8e909210c6df7d
diff --git a/common/recipes-phosphor/obmc-phosphor-chassis/obmc-button-power.bb b/common/recipes-phosphor/obmc-phosphor-chassis/obmc-button-power.bb
index 7adda51..db995e1 100644
--- a/common/recipes-phosphor/obmc-phosphor-chassis/obmc-button-power.bb
+++ b/common/recipes-phosphor/obmc-phosphor-chassis/obmc-button-power.bb
@@ -3,5 +3,9 @@
 PR = "r1"
 
 inherit skeleton-gdbus
+inherit obmc-phosphor-dbus-service
 
 SKELETON_DIR = "pwrbutton"
+
+FMT = "org.openbmc.buttons.Power@{0}.service"
+DBUS_SERVICE_${PN} += "${@compose_list(d, 'FMT', 'OBMC_POWER_BUTTON_INSTANCES')}"