msm_fb: Add histogram support for MPQ 8064

Currently, there is no support for histogram on MPQ 8064. Add
support for histogram ioctls to support histogram testing.

CRs-fixed: 375580
Change-Id: I24ccf73c6ea6d230da4624ea196cba2d8195f8b2
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
1 file changed