ARM: Add Support for the VInCo platform

The Versatile Industrial Communication platform is a community oriented
board from Landis + Gyr. It comes with:
- an RS-485 port
- 2 Ethernet ports
- a wireless M-BUS
- a 4G modem
- a 4MB SPI flash
- a 4GB eMMC

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[rebase on current TOT]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/configs/vinco_defconfig b/configs/vinco_defconfig
new file mode 100644
index 0000000..7cae79b
--- /dev/null
+++ b/configs/vinco_defconfig
@@ -0,0 +1,13 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_VINCO=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D4,SYS_USE_SERIALFLASH"
+CONFIG_SYS_PROMPT="vinco => "
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
+CONFIG_NETDEVICES=y
+CONFIG_ETH_DESIGNWARE=y