board: atmel: Add sam9x60ek board

Add new board SAM9X60-EK using the ARM926 SAM9X60 SoC.

Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@microchip.com>
[tudor.ambarus@microchip.com:
- fix number of DRAM banks:
  One DDR2-SDRAM (W972GG6KB 2 Gbit = 16 Mbit x 16 x 8 banks]
- drop SPL related macros
- drop memtest macros
- drop CONFIG_SPI_BOOT, CONFIG_SYS_USE_DATAFLASH related macros
- drop inclusion of asm/arch/at91sam9_smc.h]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
diff --git a/board/atmel/sam9x60ek/Kconfig b/board/atmel/sam9x60ek/Kconfig
new file mode 100644
index 0000000..32fae21
--- /dev/null
+++ b/board/atmel/sam9x60ek/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_SAM9X60EK
+
+config SYS_BOARD
+	default "sam9x60ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_CONFIG_NAME
+	default "sam9x60ek"
+
+endif