bullhead: Use bootdevice as symlink

Change-Id: Ic5965926535e989eb1cac2ca056c6450f557c030
diff --git a/ueventd.bullhead.rc b/ueventd.bullhead.rc
index 4199fc0..3f2f7b8 100644
--- a/ueventd.bullhead.rc
+++ b/ueventd.bullhead.rc
@@ -62,4 +62,4 @@
 # SSR devices
 /dev/subsys_*             0640   system     system
 /sys/devices/virtual/smdpkt/smdcntl*       open_timeout   0664 radio radio
-/dev/block/platform/msm_sdcc.1/by-name/persistent 0600 system system
+/dev/block/platform/soc.0/f9824900.sdhci/by-name/persistent 0600 system system