d2-common: Revert adreno driver, but keep updated C2D blobs and the updated adreno firmware (v2.5.1)

Change-Id: I7a2dfec59080f9f7970eac96b3d079dbc2420cdd
Merge "d2-common: Revert adreno driver, but keep updated C2D blobs and the updated adreno firmware (v2.5.1)" into jellybean-mr1