msm: mdss: squash MDP3 driver changes and SMMU change

Consolidate all MDP3 driver change and update SMMU
call to use DMA ioctls for MSM8909.

Change-Id: Idbba410075b1bfba5478358a05148b2f47c8226b
Signed-off-by: Sachin Bhayare <sachin.bhayare@codeaurora.org>