ARM: dts: imx27-phytec-phycore-som: Add initial support for PCM970 RDK

Patch adds initial dts for Phytec PCM970 Rapid development kit.
- Added definition for UART0 and UART1.
- Added additional SPI chipselect which used on RDK for ZegBee module.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 511e25d..4ed1b11 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -104,6 +104,7 @@
 	imx27-apf27dev.dtb \
 	imx27-pdk.dtb \
 	imx27-phytec-phycore-som.dtb \
+	imx27-phytec-phycore-rdk.dtb \
 	imx31-bug.dtb \
 	imx51-apf51.dtb \
 	imx51-apf51dev.dtb \