Data types Elf32_auxv_t and Elf64_auxv_t are used by OS Linux
auxiliary vector read, and not used by arch specific cpu flag
API implementations. Hence remove them from Arm file.
Reported-by: James Grant <j.grant@qub.ac.uk>
Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>