ARM: Overhaul the ARM Makefile.

The ARM Makefile was copied from x86 and then modified, and as a result it
was carrying a lot of baggage. On top of that, the extra complication made it
inflexible, and we need a lot of flexiblity in order to support the fact that
the Tegra124 starts on an ARMv4 coprocessor instead of one of the ARMv7 main

Change-Id: Ia6ddc27619bdb51e152ad0c628ad6f3037c103ce
Signed-off-by: Gabe Black <>
Reviewed-by: Ronald Minnich <>
Commit-Queue: Gabe Black <>
Tested-by: Gabe Black <>
(cherry picked from commit 512d942788336c8d52470135b43ee4e6a1c95f6c)
Signed-off-by: Isaac Christensen <>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <>
Reviewed-by: Edward O'Callaghan <>
Reviewed-by: David Hendricks <>
17 files changed