Clear failure count reg for 7252.

Change-Id: I1917ca7edcd55b8bc41fc8a4686f2816b8cd8914
diff --git a/signing/S99readallfiles b/signing/S99readallfiles
index 621d1cd..87b97e0 100755
--- a/signing/S99readallfiles
+++ b/signing/S99readallfiles
@@ -8,12 +8,19 @@
   devmem $REG_FAILURE_COUNT 32 0
 }
 
+clear_failure_count_bcm7252 () {
+  local REG_FAILURE_COUNT="0xf04105fc"
+  devmem $REG_FAILURE_COUNT 32 0
+}
+
 clear_failure_count_arl () {
   echo 0 >/proc/antirebootloop
 }
 
 clear_failure_count () {
   grep -q 'system type.*BCM74' /proc/cpuinfo && clear_failure_count_bcm74
+  local platform=$(cat /etc/platform)
+  [ "$platform" = GFHD254 ] && clear_failure_count_bcm7252
   [ -f /proc/antirebootloop ] && clear_failure_count_arl
 }