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/board/atmel/sama5d27_som1_ek/Kconfig b/board/atmel/sama5d27_som1_ek/Kconfig
new file mode 100644
index 0000000..3276214
--- /dev/null
+++ b/board/atmel/sama5d27_som1_ek/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D27_SOM1_EK
+
+config SYS_BOARD
+	default "sama5d27_som1_ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama5d27_som1_ek"
+
+endif