msm: mdss: fb memory allocation

Frame buffer memory allocation is different for display engine.
It needs be removed from mdss_fb.c so that other chip with
different engine can allocate itself.

Change-Id: Ib43c66c67c9058ac43a3e432434ae8ce03aa7b31
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
3 files changed