arm: add support for PDU001

This patch adds support for the PDU001 board.

Signed-off-by: Felix Brack <fb@ltec.ch>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 16613aa..da0ae0d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -161,7 +161,8 @@
 	am335x-bonegreen.dtb \
 	am335x-icev2.dtb \
 	am335x-pxm50.dtb \
-	am335x-rut.dtb
+	am335x-rut.dtb \
+	am335x-pdu001.dtb
 dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb	\
 	am43x-epos-evm.dtb \
 	am437x-idk-evm.dtb