msm: mdss: Dynamic resolution switch with DSC on/off

When dynamically switching resolutions from one with DSC and the
other without, DSC should be turned off in MDP and also
topology should be switched to enable 3D mux if DSC merge was
being used.

Change-Id: I381003f4542d1483004df4b24e2ffe6bd1571592
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>