ARM: i.MX53: dts: add sahara module

The i.MX53 has a SAHARA v4 core. Add it to the dtsi.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx53.dtsi

@@ -765,6 +765,15 @@ vpu: vpu@63ff4000 {
 				resets = <&src 1>;
 				iram = <&ocram>;
 			};
+
+			sahara: crypto@63ff8000 {
+				compatible = "fsl,imx53-sahara";
+				reg = <0x63ff8000 0x4000>;
+				interrupts = <19 20>;
+				clocks = <&clks IMX5_CLK_SAHARA_IPG_GATE>,
+				         <&clks IMX5_CLK_SAHARA_IPG_GATE>;
+				clock-names = "ipg", "ahb";
+			};
 		};
 
 		ocram: sram@f8000000 {