ARM: dts: imx27-phytec-phycard-s-som: Rename file to .dtsi

PCA-100 module cannot be used standalone. This patch renames
module file to .dtsi and excludes it from compilation.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/Makefile

@@ -140,7 +140,6 @@ dtb-$(CONFIG_ARCH_MXC) += \
 	imx27-apf27dev.dtb \
 	imx27-pdk.dtb \
 	imx27-phytec-phycore-rdk.dtb \
-	imx27-phytec-phycard-s-som.dtb \
 	imx27-phytec-phycard-s-rdk.dtb \
 	imx31-bug.dtb \
 	imx35-eukrea-mbimxsd35-baseboard.dtb \

arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts

@@ -9,7 +9,7 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
-#include "imx27-phytec-phycard-s-som.dts"
+#include "imx27-phytec-phycard-s-som.dtsi"
 
 / {
 	model = "Phytec pca100 rapid development kit";