Read only 1 page cluster at a time (LegacyXperia/mikeNG)

Change-Id: I62275a63e4bba786485a88c22255e086cf127293
init: a few more tweaks from LegacyXperia/mikeNG

Change-Id: I79f0d35ef6d26329b6719fd7f97d83397e6045d4
Merge branch 'cm-11.0' of https://github.com/Mustaavalkosta/android_device_htc_ace into cd-4.4