forked from Mirrors/opensbi

Current fdt_plic_fixup() only does necessary fix-up against the legacy "riscv,plic0" node. The upstream Linux kernel defines its official DT bindings which uses "sifive,plic-1.0.0" as the compatible string and we should check that first, and if not present fall back to legacy. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>