Add DEVTREE in FFDC log collections

Change-Id: Ic3035ccb4ee31c92ec8aee639c2f1b107727c01e
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ffdc/ffdc_config.yaml b/ffdc/ffdc_config.yaml
index 9f52be7..b80c63c 100644
--- a/ffdc/ffdc_config.yaml
+++ b/ffdc/ffdc_config.yaml
@@ -66,6 +66,7 @@
             - 'guard -l >/tmp/GUARD_list.txt'
             - 'killall -s SIGUSR1 pldmd; sleep 5'
             - 'fanctl dump'
+            - 'cp /var/lib/phosphor-software-manager/pnor/rw/DEVTREE /tmp/DEVTREE'
         FILES:
             - '/tmp/BMC_flash_side.txt'
             - '/tmp/BMC_hwmon.txt'
@@ -87,6 +88,7 @@
             - '/tmp/GUARD_list.txt'
             - '/tmp/pldm_flight_recorder'
             - '/tmp/fan_control_dump.json'
+            - '/tmp/DEVTREE'
         PROTOCOL:
             - 'SSH'