Revert "Revert "msm: mdss: Allow smp change during composition switch""

This reverts commit eac463a3d6f66ac13eaf0c7e0a50da80e0610368

Change-Id: I46108ed7dd62c3b600833df084ce79e1fc54d06d
Merge "Revert "Revert "msm: mdss: Allow smp change during composition switch"""