ARM: mxs: dts: Enable DCP for MXS

Enable the DCP by default on both i.MX23 and i.MX28.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index c96ceae..581b754 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -337,8 +337,10 @@
 			};
 
 			dcp@80028000 {
+				compatible = "fsl,imx23-dcp";
 				reg = <0x80028000 0x2000>;
-				status = "disabled";
+				interrupts = <53 54>;
+				status = "okay";
 			};
 
 			pxp@8002a000 {