dev-amdgpu: Implement SDMA RLC queue unmapping

The unmap queues packet specifies all non-static queues should be
unmapped which includes RLC queues in the SMDA. This functionality did
not exist before and is added in this changeset.

Fixes bug with rodinia_3.0/hip/bfs.

Change-Id: I80ca8cf8d89559625b5870745889b0a27916635e
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/63173
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
3 files changed