Add auto detection for the ARCH variable for AARCH64 and ARM
systems. This allows us to do a native build of the BaseTools
without the need to set ARCH externally.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18206 6f19259b-4bc3-4df7-8a09-765794883524
ad2a2e5623