forked from Mirrors/opensbi

Andes PLIC is compatible with plic driver. The PLIC base address and number of source can be obtained by parsing the device tree. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com> Reviewed-by: Anup Patel <anup@brainfault.org>