msm: vidc: support ROI map type query

Add new ioctl to query the supported ROI map type.
Based on vpu version, report whether support 2-bit type
ROI map, or 2-byte type ROI map.

Change-Id: I6db970f5f36e4cc61365867c2a07d63aaf9365ea
Signed-off-by: Qiwei Liu <qiweil@codeaurora.org>