It doesn't build with armv4:
lib1funcs.S: Assembler messages:
Assembler messages:
gnu-efi-3.0.3/lib/arm/lib1funcs.S:140: Error: selected processor does not support `clz r3,r1' in ARM mode
gnu-efi-3.0.3/lib/arm/div64.S:95: Error: selected processor does not support `clz r2,r4' in ARM mode
gnu-efi-3.0.3/lib/arm/lib1funcs.S:140: Error: selected processor does not support `clz r2,r0' in ARM mode
[snip]
Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>