video: tegra: nvmap: Add static dma mapping tunable

video: tegra: nvmap: Add static dma mapping tunable

If a carveout specifies enable_static_dma_map as true,
then the carveout is linearly mapped into nvmap's iova address space.

vpr carveout needs to be statically mapped for seemless widewine experience.
So, set it for vpr carveout.

Bug 1605798

Change-Id: Icc28e66e1e29a314a02dc204237e3abd46d0cc1a
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/711965
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Tested-by: Krishna Reddy <vdumpa@nvidia.com>