Move the Vega KVM script code to a common base file and add scripts for KVM and atomic. Since atomic is now possible in GPUFS this gives a way to run it without editing the current scripts. Change-Id: I094bc4d4df856563535c28c1f6d6cc045d6734cd Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/71939 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com> Maintainer: Matt Sinclair <mattdsinclair@gmail.com>