msm: vidc: Add secure hint property

Client needs to enable secure hint property
in order to start any secure video session

CRs-Fixed: 2039184
Change-Id: Ia7a1f5095d7e04b829aea8ae279bf6d440cd4f4b
Signed-off-by: Karthikeyan Periasamy <kperiasa@codeaurora.org>
5 files changed