From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Add the compatible string "thead,c900-plic" to the riscv plic
bindings to support SOCs with thead,c9xx processor cores.
Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
Cc: Anup Patel <anup@xxxxxxxxxxxxxx>
Cc: Atish Patra <atish.patra@xxxxxxx>