arm64: dts: qcom: sm8150-kumano: correct GPIO keys wakeup

gpio-keys,wakeup is a deprecated property:

  sm8150-sony-xperia-kumano-bahamut.dtb: gpio-keys: key-camera-focus: Unevaluated properties are not allowed ('gpio-key,wakeup' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230304123358.34274-1-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sm8150-sony-xperia-kumano.dtsi

@@ -59,7 +59,7 @@ key-camera-focus {
 			gpios = <&pm8150b_gpios 2 GPIO_ACTIVE_LOW>;
 			debounce-interval = <15>;
 			linux,can-disable;
-			gpio-key,wakeup;
+			wakeup-source;
 		};
 
 		key-camera-snapshot {
@@ -68,7 +68,7 @@ key-camera-snapshot {
 			gpios = <&pm8150b_gpios 1 GPIO_ACTIVE_LOW>;
 			debounce-interval = <15>;
 			linux,can-disable;
-			gpio-key,wakeup;
+			wakeup-source;
 		};
 
 		key-vol-down {
@@ -77,7 +77,7 @@ key-vol-down {
 			gpios = <&pm8150_gpios 1 GPIO_ACTIVE_LOW>;
 			debounce-interval = <15>;
 			linux,can-disable;
-			gpio-key,wakeup;
+			wakeup-source;
 		};
 	};