This change simplifies the setup process for running ROCm-based programs by adding the libraries that are needed to LD_LIBRARY_PATH by default, using preexisting environment variables that should be set on the host. HOME also gets set, as MIOpen-based programs can fail without it set. Change-Id: Ic599674babeaebb52de8a55981d04454cdc96cd8 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/30275 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com> Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Bradford Beckmann <brad.beckmann@amd.com> Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com>