ARM: atmel: add sama5d3xek support

Add sama5d3xek support with following feature
  - boot from NAND flash, PMECC support, 4bit ECC @ 512 bytes sector
  - boot from SPI flash support
  - boot from SD card support
  - LCD support
  - EMAC support
  - USB OHCI support

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/include/asm/arch-at91/hardware.h b/arch/arm/include/asm/arch-at91/hardware.h
index 8812b11..b04641e 100644
--- a/arch/arm/include/asm/arch-at91/hardware.h
+++ b/arch/arm/include/asm/arch-at91/hardware.h
@@ -43,6 +43,8 @@
 # include <asm/arch/at91cap9.h>
 #elif defined(CONFIG_AT91X40)
 # include <asm/arch/at91x40.h>
+#elif defined(CONFIG_SAMA5D3)
+# include <asm/arch/sama5d3.h>
 #else
 # error "Unsupported AT91 processor"
 #endif