msm/sde: add checks for linewidth and bwlimit

Add checks to handle linewidth for scaling and inline
rotation based on the new node added in dt. Checks
for bw limits are also updated accordingly.

Change-Id: Ife584166d5859560bbd5a65958e796007985d9c2
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>