ARM: dts: keystone: Add the GICV and GICH address space

Update the Keystone gic node to add the GICV and GIGH address space
needed by the KVM.

Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>

arch/arm/boot/dts/keystone.dtsi

@@ -62,7 +62,9 @@
 		#address-cells = <1>;
 		interrupt-controller;
 		reg = <0x0 0x02561000 0x0 0x1000>,
-		      <0x0 0x02562000 0x0 0x2000>;
+		      <0x0 0x02562000 0x0 0x2000>,
+		      <0x0 0x02564000 0x0 0x1000>,
+		      <0x0 0x02566000 0x0 0x2000>;
 	};
 
 	timer {