This lets gui programs run correctly within SCons, specifically the kconfig "guiconfig" helper utility. Change-Id: Iec51df3db89ac7e7411e6c08fe8201afb69dc63e Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/56952 Reviewed-by: Matthew Poremba <matthew.poremba@amd.com> Maintainer: Matthew Poremba <matthew.poremba@amd.com> Tested-by: kokoro <noreply+kokoro@google.com>