ARM: dts: i.MX53: add aipstz nodes

The AHB to IP bridges (AIPSTZ) allow fine grained access rights management.
Add both bridges to the DT.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx53.dtsi

@@ -259,6 +259,11 @@ esdhc4: esdhc@50024000 {
 				};
 			};
 
+			aipstz1: bridge@53f00000 {
+				compatible = "fsl,imx53-aipstz";
+				reg = <0x53f00000 0x60>;
+			};
+
 			usbphy0: usbphy@0 {
 				compatible = "usb-nop-xceiv";
 				clocks = <&clks IMX5_CLK_USB_PHY1_GATE>;
@@ -571,6 +576,11 @@ aips@60000000 {	/* AIPS2 */
 			reg = <0x60000000 0x10000000>;
 			ranges;
 
+			aipstz2: bridge@63f00000 {
+				compatible = "fsl,imx53-aipstz";
+				reg = <0x63f00000 0x60>;
+			};
+
 			iim: iim@63f98000 {
 				compatible = "fsl,imx53-iim", "fsl,imx27-iim";
 				reg = <0x63f98000 0x4000>;