mtd: denali: Remove set_ecc_config function

set_ecc_config function only set ECC_CORRECTION register, so
move register setting to probe function.
Since controller only support 15bit and 8bit ecc correction,
updated nand ecc layout information.

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index fcac241..bdf5c2a 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -767,6 +767,7 @@
 	uint32_t fwblks; /* represent how many blocks FW used */
 	uint32_t totalblks;
 	uint32_t blksperchip;
+	uint32_t bbtskipbytes;
 };
 
 #endif /*_LLD_NAND_*/