ril: implement a new motoOmap4 RIL which unsupports CB/CellInfo

As the motorola RIL does not handle CellBroadcast and CellInfo-calls
well, unsupport them in this board specific RIL.

Change-Id: Id6ae75f4e416c19ea50476d8bacd69958a49f83f
Revert "omap4-common: enable swapping to zram"

Seems to induce lag for many people.

This reverts commit eeb0af687e8fe3ea72e13eef6b677b1a910f42c7.

Change-Id: If5a89c43da0e21c9d595fba226941a9409c0c669