ARM: dts: aspeed: Add clock phandle to GPIO

This enables a feature where the driver can debounce inputs.
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-g4.dtsi

@@ -144,6 +144,7 @@ gpio: gpio@1e780000 {
 				reg = <0x1e780000 0x1000>;
 				interrupts = <20>;
 				gpio-ranges = <&pinctrl 0 0 220>;
+				clocks = <&syscon ASPEED_CLK_APB>;
 				interrupt-controller;
 			};
 

arch/arm/boot/dts/aspeed-g5.dtsi

@@ -187,6 +187,7 @@ gpio: gpio@1e780000 {
 				reg = <0x1e780000 0x1000>;
 				interrupts = <20>;
 				gpio-ranges = <&pinctrl 0 0 220>;
+				clocks = <&syscon ASPEED_CLK_APB>;
 				interrupt-controller;
 			};