arm: mvebu: Add support for the Armada XP theadorable board

This patch adds support for the Armada XP (MV78260) based theadorable
board. Its equipped with onboard DDR3, UART, ethernet, I2C, SPI NOR,
LCD and SATA (SSD) interfaces / devices.

Two defconfigs are added:

theadorable_defconfig:
The production U-Boot version with a stripped down drivers and feature
list. This removes networking, USB and PCI support.

theadorable_debug_defconfig:
The debugging / testing U-Boot version with full support for all drivers.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/configs/theadorable_debug_defconfig b/configs/theadorable_debug_defconfig
new file mode 100644
index 0000000..fbed23c
--- /dev/null
+++ b/configs/theadorable_debug_defconfig
@@ -0,0 +1,28 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MVEBU=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_TARGET_THEADORABLE=y
+CONFIG_DEFAULT_DEVICE_TREE="armada-xp-theadorable"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_BASE=0xd0012000
+CONFIG_DEBUG_UART_CLOCK=250000000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_VIDEO_MVEBU=y