ARM: dts: r9a06g032: Correct GIC compatible value order

According to commit 61efb56e ("dt-bindings: arm: gic: Allow
combining arm,gic-400 compatible strings"), "arm,gic-400" should be
listed first.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20200519095431.5650-1-geert+renesas@glider.be

arch/arm/boot/dts/r9a06g032.dtsi

@@ -174,7 +174,7 @@ pinctrl: pin-controller@40067000 {
 		};
 
 		gic: interrupt-controller@44101000 {
-			compatible = "arm,cortex-a7-gic", "arm,gic-400";
+			compatible = "arm,gic-400", "arm,cortex-a7-gic";
 			interrupt-controller;
 			#interrupt-cells = <3>;
 			reg = <0x44101000 0x1000>, /* Distributer */