omni2: Fix wakelocks file name

Change-Id: Ic1f9104d85352586d8a4084da03c4a2df15ce7ce
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index a69449a..34e8bc2 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -24,4 +24,4 @@
 /system/bin/mount\.exfat                         u:object_r:fsck_exec:s0
 
 # wakelocks
-/sys/kernel/debug/wakeup_source     u:object_r:debugsfs_wakelock:s0
+/sys/kernel/debug/wakeup_sources     u:object_r:debugsfs_wakelock:s0