msm: vidc: Select video core based on capability

Video hardware may have disabled a video core out of
the available cores. The same is being published by
the video firmware in supported capabilities.
Select and configure the video session on the enabled
video hardware core based on the published capability.

CRs-Fixed: 2117620
Change-Id: Ibe25c1843b65ecd11415f054bcfa3d9fe24efe91
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>