forked from Mirrors/opensbi

If an FDT node contains a "status" property and this property is not "ok" or "okay", this node should be ignored. Introduce a function that checks this. Signed-off-by: Jan Remes <jan.remes@codasip.com> Reviewed-by: Xiang W <wxjstz@126.com> Reviewed-by: Anup Patel <anup@brainfault.org>