msm: mdss: Modify SMP bitmap implementation to accomodate 44 MMBs

Expand current SMP bitmap implementation to allocate 44 MMBs of
APQ8084 MDSS.

Change-Id: Ib36331258646cedc1cca5285dc2c6490617f449f
Signed-off-by: Ujwal Patel <ujwalp@codeaurora.org>