arm64: dts: exynos850: use Exynos7 fallbacks for pin wake-up controllers

Exynos850 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/20231122200407.423264-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm64/boot/dts/exynos/exynos850.dtsi

@@ -359,7 +359,8 @@ pinctrl_alive: pinctrl@11850000 {
 			reg = <0x11850000 0x1000>;
 
 			wakeup-interrupt-controller {
-				compatible = "samsung,exynos850-wakeup-eint";
+				compatible = "samsung,exynos850-wakeup-eint",
+					     "samsung,exynos7-wakeup-eint";
 			};
 		};
 
@@ -368,7 +369,8 @@ pinctrl_cmgp: pinctrl@11c30000 {
 			reg = <0x11c30000 0x1000>;
 
 			wakeup-interrupt-controller {
-				compatible = "samsung,exynos850-wakeup-eint";
+				compatible = "samsung,exynos850-wakeup-eint",
+					     "samsung,exynos7-wakeup-eint";
 			};
 		};