ARM: dts: imx27-phytec-phycore-som: Define minimal memory layout

Define minimal memory layout for i.MX27 PCM-038 module.
This will help to use appended DTB with non-DT capable bootloaders.
Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx27-phytec-phycore-som.dts

@@ -17,7 +17,7 @@ / {
 	compatible = "phytec,imx27-pcm038", "fsl,imx27";
 
 	memory {
-		reg = <0x0 0x0>;
+		reg = <0xa0000000 0x08000000>;
 	};
 
 	soc {