meta-ampere: add fault monitor support

Support to detect GPIO, PSU, FAN, ... faults and turn ON/OFF fault LED.

Tested:
1. Unplug a PSU and check if Fault LED is turned ON.
2. Unplug a FAN and check if Fault LED is turned ON.
3. Stimulate GPIO fault pattern and check if the BMC can detect

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Signed-off-by: Hieu Huynh <hieuh@os.amperecomputing.com>
Signed-off-by: Quang Nguyen <quangn@amperecomputing.com>
Change-Id: Idfcd32953cf811fbe9299a162f604cb8fd028962
diff --git a/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf b/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
index aecb597..712401b 100644
--- a/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
+++ b/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
@@ -36,6 +36,7 @@
                                    phosphor-ipmi-blobs-binarystore \
                                    util-linux \
                                    ampere-sysfw-hang-handler \
+                                   ampere-fault-monitor \
                                   "
 
 PREFERRED_PROVIDER_virtual/obmc-chassis-mgmt = "packagegroup-obmc-ampere-apps"