jflte: add permissions for mmcblk1 scheduler; increase read ahead cache size

Change-Id: I6ba5fba6c161b69900c50c8497a67af84b601a66
Merge "jflte: add permissions for mmcblk1 scheduler; increase read ahead cache size" into cm-11.0
jflte: allow mpdecision to manage sleep modes

Change-Id: I07fd55d65b0853f105acb0d86f43f03a5b8fbdce
Merge https://github.com/CyanogenMod/android_device_samsung_jflte into kitkat