ExynosAutov9 pin controller capable of wake-ups is still compatible with
Exynos7, however it does not mux interrupts. Add Exynos7 compatible
fallback to annotate that compatibility and match the bindings.

Link: https://lore.kernel.org/r/20231122200407.423264-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>