meta-quanta: gbs: add Hotswap Power Cycle Service

Add a hotswap power cycle service for oem google sys
command, "Delay hard reset".

Tested:
Setting 5 secs delay for delay hard reset:
~# ipmitool raw 0x2e 0x32 0x79 0x2b 0x00 0x05 0x00 0x00 0x00
   79 2b 00 03

(From meta-quanta rev: 4f20ff8ff1a9ea91f0e2a4f55ec7a2525bfc8a9a)

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: Ib114ba2c47d652cb9c9999b45b503698e7fc5207
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service b/meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service
new file mode 100644
index 0000000..57724f3
--- /dev/null
+++ b/meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Power Cycle by Hotswap Controller
+
+[Service]
+EnvironmentFile=/run/psu_timedelay
+ExecStartPre=sleep $PSU_HARDRESET_DELAY
+ExecStart=gpioset gpiochip6 26=1
+Restart=no
+Type=oneshot
+RemainAfterExit=true
+StandardOutput=syslog
+
+[Install]
+WantedBy=gbmc-psu-hardreset.target