msm_fb: display: Add minimum src/dst image size validation for MDP

MDP4 has minimum size restriction for both source and destination
height and width. Add checks to validate source and destination
layer size.

CRs-fixed: 484728
Change-Id: I8cb8d4b969cd6ab2d8e99d7ed2ebb1a4adce1ef3
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>