configs: Set valid heap_type values
The variables that were used to set heap_type don't exist.
Explicitly set them to the proper values.
Also add pointer to what heap value means in the ROCm stack.
Change-Id: I8df7fca7442f6640be1154ef147c4e302ea491bb
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47528
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Reviewed-by: Matthew Poremba <matthew.poremba@amd.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed
