Touchscreen optimizations

- Increase TS bandwidth
- Merge i2c transactions
- Clean up i2c-qup.c

Conflicts:
	drivers/input/touchscreen/mms_ts_144.c

Change-Id: I568ac6445afab7e342456e1d963f0328696f911d

Conflicts:
	drivers/input/touchscreen/mms_ts_144.c