meta-quanta: gbs: Add tray_powercycle.sh

Fix hotswap-power-cycle.service as well.

Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: I7e08d422450db5aff0274a0b0b27c4338e939bbd
diff --git a/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service b/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service
index 57724f3..054b2fe 100644
--- a/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service
+++ b/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service
@@ -2,13 +2,9 @@
 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
+EnvironmentFile=-/run/psu_timedelay
+ExecStart=/usr/bin/tray_powercycle.sh
 
 [Install]
 WantedBy=gbmc-psu-hardreset.target