ARM: dts: qcom-apq8064: add interrupt controller properties

Now that the pmic-mpp is a proper hierarchical IRQ chip, add interrupt
controller properties ('interrupt-controller' and '#interrupt-cells').
The interrupts property is no longer needed so remove it.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211008012524.481877-19-dmitry.baryshkov@linaro.org

arch/arm/boot/dts/qcom-apq8064.dtsi

@@ -683,10 +683,8 @@ pm8821: pmic@1 {
 				pm8821_mpps: mpps@50 {
 					compatible = "qcom,pm8821-mpp", "qcom,ssbi-mpp";
 					reg = <0x50>;
-					interrupts = <24 IRQ_TYPE_NONE>,
-						     <25 IRQ_TYPE_NONE>,
-						     <26 IRQ_TYPE_NONE>,
-						     <27 IRQ_TYPE_NONE>;
+					interrupt-controller;
+					#interrupt-cells = <2>;
 					gpio-controller;
 					#gpio-cells = <2>;
 					gpio-ranges = <&pm8821_mpps 0 0 4>;
@@ -728,19 +726,8 @@ pm8921_mpps: mpps@50 {
 					gpio-controller;
 					#gpio-cells = <2>;
 					gpio-ranges = <&pm8921_mpps 0 0 12>;
-					interrupts =
-					<128 IRQ_TYPE_NONE>,
-					<129 IRQ_TYPE_NONE>,
-					<130 IRQ_TYPE_NONE>,
-					<131 IRQ_TYPE_NONE>,
-					<132 IRQ_TYPE_NONE>,
-					<133 IRQ_TYPE_NONE>,
-					<134 IRQ_TYPE_NONE>,
-					<135 IRQ_TYPE_NONE>,
-					<136 IRQ_TYPE_NONE>,
-					<137 IRQ_TYPE_NONE>,
-					<138 IRQ_TYPE_NONE>,
-					<139 IRQ_TYPE_NONE>;
+					interrupt-controller;
+					#interrupt-cells = <2>;
 				};
 
 				rtc@11d {