sama5d3xek: enable PMECC header generation

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Bo Shen <voice.shen@atmel.com>
Tested-by: Bo Shen <voice.shen@atmel.com>

include/configs/sama5d3xek.h

@@ -283,6 +283,7 @@
 #define CONFIG_SYS_NAND_OOBSIZE		64
 #define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0
+#define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
 
 #elif CONFIG_SYS_USE_SERIALFLASH
 #define CONFIG_SPL_SPI_SUPPORT