qcom-common: proper eri overlay

Change-Id: Ifd3930a68625497ceb660a3aeba1fab43cbc26eb
overlay: add r970-specific eri overlays

Change-Id: I6705b9f280ea9c8099b72ad7addb000fc1e4db2f
Merge "overlay: add r970-specific eri overlays" into cm-11.0