flat_dev_ddr_nand/defconfig: unset CONFIG_MTD_NAND_BLOCKCHECK

We have varified dhara itself manages bad block checking
so we do not need mtd to manage bad block checking as
it increases flash read operations.

Signed-off-by: Aditya Singh <aditya.s4@samsung.com>
Signed-off-by: Aashish Lakhwara <aashish.l@samsung.com>

Author: singh-aditya-04

build/configs/rtl8730e/flat_dev_ddr_nand/defconfig

@@ -1193,7 +1193,7 @@ CONFIG_MTD_NAND_MAXNUMPAGESPERBLOCK=64
 CONFIG_MTD_NAND_MAXPAGEDATASIZE=2048
 CONFIG_MTD_NAND_MAXPAGESPARESIZE=128
 CONFIG_MTD_NAND_MAXSPAREECCBYTES=64
-CONFIG_MTD_NAND_BLOCKCHECK=y
+#CONFIG_MTD_NAND_BLOCKCHECK=y
 CONFIG_MTD_NAND_ERASE_SIZE=y
 # CONFIG_MTD_NAND_SWECC is not set
 # CONFIG_MTD_NAND_HWECC is not set