ARM: boot: dts: Add an entry for imx27-pdk.dtb

Add an entry for imx27-pdk.dtb, so that it can be generated by default.

Also, add an entry into Documentation/devicetree/bindings/arm/fsl.txt.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

Documentation/devicetree/bindings/arm/fsl.txt

@@ -5,6 +5,10 @@ i.MX23 Evaluation Kit
 Required root node properties:
     - compatible = "fsl,imx23-evk", "fsl,imx23";
 
+i.MX27 Product Development Kit
+Required root node properties:
+    - compatible = "fsl,imx27-pdk", "fsl,imx27";
+
 i.MX28 Evaluation Kit
 Required root node properties:
     - compatible = "fsl,imx28-evk", "fsl,imx28";

arch/arm/boot/dts/Makefile

@@ -79,7 +79,8 @@ dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
 	armada-370-mirabox.dtb \
 	armada-xp-db.dtb \
 	armada-xp-openblocks-ax3-4.dtb
-dtb-$(CONFIG_ARCH_MXC) += imx51-babbage.dtb \
+dtb-$(CONFIG_ARCH_MXC) += imx27-pdk.dtb \
+	imx51-babbage.dtb \
 	imx53-ard.dtb \
 	imx53-evk.dtb \
 	imx53-qsb.dtb \