ARM: pb1176: add AACI to the device tree

The device tree was missing the definition of the AACI
Advanced Audio Codec Interface, so add it. Tested on the hardware
and it works.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/arm-realview-pb1176.dts

@@ -373,6 +373,15 @@ fpga {
 		compatible = "simple-bus";
 		ranges;
 
+		fpga_aaci: aaci@10004000 {
+			compatible = "arm,pl041", "arm,primecell";
+			reg = <0x10004000 0x1000>;
+			interrupt-parent = <&intc_fpga1176>;
+			interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
 		fpga_mci: mmcsd@10005000 {
 			compatible = "arm,pl18x", "arm,primecell";
 			reg = <0x10005000 0x1000>;