celox: cleanup mxt224 configs/functions

 - many of the devices use the same configs, so cleanup the duplicates

Change-Id: I55520d96ee5892214216f161847e8bb75ada6dbc
celox: remove sdio workaround

Change-Id: I40957ffa08c4768ee1b0b2857190024b8e3ceaa0
celox: remove GPIO_SX150 configs

Change-Id: Ic81d235e2f3b9765c11ab74bc26c7351c22f59ed
celox: cleanup unused functions

Change-Id: I14576b7686d983282c74fd3fa601db8d000a4c8b