meta-ampere: mtmitchell: handle HIGHTEMP events

Handle HIGHTEMP assert/deassert GPIO events for both socket 0 and
socket 1.

Tested:
    1. Stop fan monitor service
    2. Stress CPU HOST
      stress-ng.sh 600 5 max 100
    4. Wait for S0_SOC_Pkg_Temp exceeds 105 degree and check for event.
    5. Turn OFF CPU stress and wait for S0_SOC_Pkg_Temp goes below 105C.
       Check for deassert event

Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
Change-Id: I7f2528b50c9a04e7c5ccbf56e9d2e04555351bba
diff --git a/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf b/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
index 339c7c1..aecb597 100644
--- a/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
+++ b/meta-ampere/meta-mitchell/conf/machine/mtmitchell.conf
@@ -31,6 +31,7 @@
                                    ampere-hostctrl \
                                    ampere-driver-binder \
                                    ampere-mac-update \
+                                   phosphor-gpio-monitor-monitor \
                                    phosphor-ipmi-blobs \
                                    phosphor-ipmi-blobs-binarystore \
                                    util-linux \