msm: mdss: Skip setting up Qseed3 for non-vig pipes

Qseed3 is supported on VIG pipes only, driver should skip
enabling it on non-VIG pipes. Changes adds support to skip
programming Qseed3 on non-vig pipes.

Change-Id: Ie3d3889cc6c35011f239468ddf465c553a6b1c97
Signed-off-by: Sushil Chauhan <sushilchauhan@codeaurora.org>
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>