powerpc/P1022DS: Define new nand_ecclayout structure macros

Define CONFIG_SYS_NAND_MAX_ECCPOS and CONFIG_SYS_NAND_MAX_OOBFREE to
reduce the image size, by taking advantage of the new nand_ecclayout
structure.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Prabhakar Kushwaha <prabhakar@freescale.com>
CC: Scott Wood <scottwood@freescale.com>

include/configs/P1022DS.h

@@ -75,6 +75,8 @@
 #endif
 
 #define CONFIG_NAND_FSL_ELBC
+#define CONFIG_SYS_NAND_MAX_ECCPOS	56
+#define CONFIG_SYS_NAND_MAX_OOBFREE	5
 
 #ifdef CONFIG_NAND
 #define CONFIG_SPL