galaxys2: sdcard config update

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: I5d7ef1e215d088b25fe1d07b88b7d3259c04fa24