When within the Alpha arch, we know the guest endianness already. Change-Id: Iee22a33451a06c6e6a5c7d1e8c71f0b00e98ae3f Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22367 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Gabe Black <gabeblack@google.com>