forked from Mirrors/opensbi

Add two macros in preparation to sync libfdt codes to latest v1.5.1 release from upstream. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
Add two macros in preparation to sync libfdt codes to latest v1.5.1 release from upstream. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>