dt-bindings: interrupt-controller: Convert rda,8810pl-intc to YAML

Convert RDA Micro interrupt controller bindings to DT schema format.

Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220611180703.GA24988@standask-GA-A55M-S2HP