arm: dts: zynq: Add Digilent ZYBO board

Add a DTS describing the Digilent ZYBO board. Similar to ZED but with
a 50MHz crystal instead of 33MHz.

Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 38c89ca..db51dbd 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -489,7 +489,8 @@
 	zynq-parallella.dtb \
 	zynq-zc702.dtb \
 	zynq-zc706.dtb \
-	zynq-zed.dtb
+	zynq-zed.dtb \
+	zynq-zybo.dtb
 dtb-$(CONFIG_MACH_ARMADA_370) += \
 	armada-370-db.dtb \
 	armada-370-mirabox.dtb \