MC: set base addresses

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
add a stub irq handler

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
msm_ringbufer_xxx -> vivante_ringbuffer_xxx

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Merge branch 'master' of github.com:austriancoder/linux