ARM: mxs: Add support for the Armadeus Systems APF28 module

The APF28 is a small SOM built around an i.MX28 processor with 128MBytes DDR2,
256MBytes NAND Flash and an Ethernet PHY.

Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c1ce813..9bca96f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -54,6 +54,7 @@
 dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
 	imx23-olinuxino.dtb \
 	imx23-stmp378x_devb.dtb \
+	imx28-apf28.dtb \
 	imx28-apx4devkit.dtb \
 	imx28-cfa10036.dtb \
 	imx28-cfa10049.dtb \