Add Systemd unit files for skeleton applications

Preparing to start these with systemd.

Change-Id: I39a99242cee3e9e17e51356521d29bab5ad7d399
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-phosphor/obmc-phosphor-chassis/obmc-op-control-power/op-wait-power-off@.service b/common/recipes-phosphor/obmc-phosphor-chassis/obmc-op-control-power/op-wait-power-off@.service
new file mode 100644
index 0000000..4315140
--- /dev/null
+++ b/common/recipes-phosphor/obmc-phosphor-chassis/obmc-op-control-power/op-wait-power-off@.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Wait for Power%i to turn off
+Before=obmc-power-off@%i.target
+Wants=obmc-power-stop@%i.target
+Before=obmc-power-stop@%i.target
+Wants=mapper-wait@-org-openbmc-control-power%i.service
+After=mapper-wait@-org-openbmc-control-power%i.service
+Conflicts=obmc-chassis-start@%i.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={sbindir}/pgood_wait /org/openbmc/control/power%i off
+
+[Install]
+WantedBy=obmc-chassis-stop@%i.target