ARM: nomadik: device tree for NHK15 board

This adds a device tree for the Nomadik NHK15 development kit
board.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 38c89ca..50bb73e 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -274,7 +274,8 @@
 	imx28-m28evk.dtb \
 	imx28-sps1.dtb \
 	imx28-tx28.dtb
-dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb
+dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb \
+	ste-nomadik-nhk15.dtb
 dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \
 	nspire-tp.dtb \
 	nspire-clp.dtb