meta-google:gbmc-bridge Misc fix for powercycle script

Change-Id: I373622c0dfd6b1cf33cbd88c5c46fcb991dc7025
Signed-off-by: Yuxiao Zhang <yuxiaozhang@google.com>
diff --git a/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-psu-hardreset.sh.in b/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-psu-hardreset.sh.in
index 1a5e055..588efcb 100644
--- a/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-psu-hardreset.sh.in
+++ b/meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-psu-hardreset.sh.in
@@ -26,8 +26,8 @@
     return 0
   fi
 
-  if [ "${COORDINATED_POWERCYCLE}" == "true" ]; then
-    echo "Requesting powercyce" >&2
+  if [[ "${COORDINATED_POWERCYCLE}" == "true" ]]; then
+    echo "Requesting powercycle" >&2
     update-dhcp-status 'POWERCYCLE' "netboot powercycle" || return
   else
     echo "Powercycling" >&2