jflte: update fstab flags

per stock ROM

Change-Id: I0fffcd56daeca2b34aa763e3e9a107a61dbf07d4
jflte: increase read-ahead cache size

Change-Id: If6fbc66c406d8d0f9cf16b9907f0dfe2487a9c78
Merge changes If6fbc66c,I0fffcd56 into cm-11.0

* changes:
  jflte: increase read-ahead cache size
  jflte: update fstab flags