cm: sepolicy: Allow ueventd to properly handle cpufreq changes

 * We need to allow relabeling since these files can pop in and out if
   the governor is changed.

Change-Id: Id75099290e24dac9962d4fed8148ec2df9e256b2
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 65e21c9..78b3ee1 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -3,6 +3,6 @@
 #############################
 # performance-related sysfs files (CM)
 /sys/kernel/mm/ksm(/.*)?       --          u:object_r:sysfs_writable:s0
-/sys/devices/system/cpu.*/cpufreq(/.*)? --  u:object_r:sysfs_writable:s0
+/sys/devices/system/cpu.*/cpufreq(/.*)? --  u:object_r:sysfs_devices_system_cpu:s0
 /sys/block/mmcblk0/queue/scheduler  --    u:object_r:sysfs_writable:s0