ARM: dts: armada-{370-xp,375,38x,39x}: Drop #size-cells from mpic node

The marvell,mpic interrupt controller has no children nodes. Drop the
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240624145355.8034-2-kabel@kernel.orgSigned-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/marvell/armada-370-xp.dtsi

@@ -168,7 +168,6 @@ mbusc: mbus-controller@20000 {
 			mpic: interrupt-controller@20a00 {
 				compatible = "marvell,mpic";
 				#interrupt-cells = <1>;
-				#size-cells = <1>;
 				interrupt-controller;
 				msi-controller;
 			};

arch/arm/boot/dts/marvell/armada-375.dtsi

@@ -376,7 +376,6 @@ mpic: interrupt-controller@20a00 {
 				compatible = "marvell,mpic";
 				reg = <0x20a00 0x2d0>, <0x21070 0x58>;
 				#interrupt-cells = <1>;
-				#size-cells = <1>;
 				interrupt-controller;
 				msi-controller;
 				interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;

arch/arm/boot/dts/marvell/armada-38x.dtsi

@@ -408,7 +408,6 @@ mpic: interrupt-controller@20a00 {
 				compatible = "marvell,mpic";
 				reg = <0x20a00 0x2d0>, <0x21070 0x58>;
 				#interrupt-cells = <1>;
-				#size-cells = <1>;
 				interrupt-controller;
 				msi-controller;
 				interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;

arch/arm/boot/dts/marvell/armada-39x.dtsi

@@ -268,7 +268,6 @@ mpic: interrupt-controller@20a00 {
 				compatible = "marvell,mpic";
 				reg = <0x20a00 0x2d0>, <0x21070 0x58>;
 				#interrupt-cells = <1>;
-				#size-cells = <1>;
 				interrupt-controller;
 				msi-controller;
 				interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;