I9100G: Disable software HDR

Exposure settings do not work for our device, rendering software HDR
useless.

Change-Id: I80a27ad6913cd3286a814ed79c05fe4c992f2ed9
i9100g: camera iso support

Change-Id: Idb7d48b70866265f438cebb3ab3a7a8ea044b789

Conflicts:
	BoardConfig.mk