klte-common: restorecon I/O scheduler tunables before touching them

* early-init is before the global restorecon of /sys gets run, so
  we need to set a context on these before changing attributes

Change-Id: I493a9bb0c1bd2ea83a815e07169b8b689cf76a5d

rootdir/etc/init.qcom.rc

@@ -33,6 +33,7 @@ on early-init
     chmod 0755 /sys/kernel/debug
 
     # Increase max readahead size to 512 KB
+    restorecon --recursive /sys/block/mmcblk0/queue
     write /sys/block/mmcblk0/queue/read_ahead_kb 512
     write /sys/block/mmcblk0/queue/scheduler noop