Galaxys2: SDcard config update

From SlimRom:

Commit adds parameters specific to kk4.4 to address issues with i9100 sdcard
where media playback would drop randomly as if the sdcard had been removed.

Details taken from:
https://source.android.com/devices/tech/storage/config-example.html

Change-Id: Id4c173f4cb8bb8a709021d9f6e24960ec613c3aa
Author:    xLaMbChOpSx <ryanskungfu@me.com>
galaxys2: Change PNGs from RGBA to RGB

Current charger graphics engine doesn't like RGBA

Change-Id: I38b8d90a6da5f63b123438ec3d8eae660ce7cf6c