ARM: dts: imx7d: fix GIC nodes interrupt and register specification

The i.MX 7 as a GICv2, hence its CPU interface register map (the
second register region) is 8kB long. Add the VGIC maintenance
interrupt which allows to use the new VGIC driver.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Suggested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7s.dtsi

@@ -292,10 +292,11 @@ replicator_in_port0: endpoint {
 
 		intc: interrupt-controller@31001000 {
 			compatible = "arm,cortex-a7-gic";
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 			#interrupt-cells = <3>;
 			interrupt-controller;
 			reg = <0x31001000 0x1000>,
-			      <0x31002000 0x1000>,
+			      <0x31002000 0x2000>,
 			      <0x31004000 0x2000>,
 			      <0x31006000 0x2000>;
 		};