Extract the architecture (-a) and package (-p) options into a new variable (ARCH) to simplify the construction of BUILD_STR. Test: build/boot various boards w/Tianocore payload Change-Id: I490d48428ac56d613d0b704700dfcf4ebfb2d245 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48942 Reviewed-by: Michael Niewöhner <foss@mniewoehner.de> Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>