dev-hsa,gpu-compute: Properly assign DmaVirtDevices in py

These SimObjects are DmaVirtDevices in C++ but DmaDevices in the sim
object's python file. Make the sim object python files consistent.

Change-Id: I728ae737c5901e448628fc5ac877f261ca4c4393
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53704
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed