scons: add helpers to access GDB XML description files

Change-Id: Ic3b18887544b7710ed07a86d28dc62d8441b3476
Reviewed-on: https://gem5-review.googlesource.com/c/15255
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
2 files changed