The mt7986 can support four interrupts to distribute the interrupts
to different CPUs.
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>