ARM: dt: tegra: Add domain property to smmu node

ARM: dt: tegra: Add domain property to smmu node

It is usual practice to group swgids into a single smmu domain.
Get the groupings from device tree and avoid any static mappings
within the code. This way all related data stays in one place.

Bug 200020468

Change-Id: I267f84c01d2e4fdd9efffe3ab9c694f9a469def2
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/448875
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Hiroshi Doyu <hdoyu@nvidia.com>