meta-ampere: mtjade: handle Tempt events

Handle S0/1 OVERTEMP and S0/1 HIGHTEMP GPIO signals from Host CPU that turn off the Host to
prevent hardware damage and log an event.

Tested:
1. Assert OVERTEMP event by running below command from SCP console:
S0-cli> mww 0x10000f0112d0 0x2
  Check if the Host is turned OFF and event is logged
2. Assert and deassert HIGHTEMP event on Socket 0 and check if new
events are logged.
3. Repeat steps 1 and 2 on Socket 1

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: I16c9676be379ac5d21849c591fbdadda4a6951ef
diff --git a/meta-ampere/meta-jade/recipes-phosphor/gpio/tempevent-monitor/ampere_overtemp@.service b/meta-ampere/meta-jade/recipes-phosphor/gpio/tempevent-monitor/ampere_overtemp@.service
new file mode 100644
index 0000000..587cba1
--- /dev/null
+++ b/meta-ampere/meta-jade/recipes-phosphor/gpio/tempevent-monitor/ampere_overtemp@.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=Ampere Computing LLC Overtemp event
+
+[Service]
+Restart=no
+ExecStart=/usr/bin/env obmcutil chassisoff
+ExecStartPost=/usr/bin/env ampere_add_redfishevent.sh OpenBMC.0.1.CPUThermalTrip.Critical %i