We are not using NDS32 ABI 2 for now, just remove the preprocessor
directives __NDS32_ABI_2.
Signed-off-by: NZong Li <zong@andestech.com>
Acked-by: NGreentime Hu <greentime@andestech.com>
Signed-off-by: NGreentime Hu <greentime@andestech.com>