msm: vidc: Use iommu groups instead of maps

Move to using iommu groups for registering and attaching domains.
All groups will be available to msm_smem for allocation, securing
and mapping.

Change-Id: I67bcd17c8a95c9109e670f359521cc9b335f4724
Signed-off-by: Shalaj Jain <shalajj@codeaurora.org>
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
7 files changed