board: atmel: Add SAMA5D27 SOM1 EK board

The SAMA5D27-SiP (System in Package) integrates the SAMA5D2
with 1Gbit DDR2-SDRAM in a single package.

The SAMA5D27 SOM1 embeds a 64Mbit QSPI flash, KSZ8081 Phy and
Mac-address EEPROM.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 10d397d7..85ce687 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -420,6 +420,9 @@
 dtb-$(CONFIG_TARGET_SAMA5D2_XPLAINED) += \
 	at91-sama5d2_xplained.dtb
 
+dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
+	at91-sama5d27_som1_ek.dtb
+
 dtb-$(CONFIG_TARGET_SAMA5D3XEK) += \
 	sama5d31ek.dtb \
 	sama5d33ek.dtb \