mtd: nand: rename CREATE_EMPTY bbt flag with proper prefix

According to our new prefix rules, we should rename NAND_CREATE_EMPTY_BBT
with a NAND_BBT prefix, i.e., NAND_BBT_CREATE_EMPTY.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 2e4e259..9af703d 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -970,7 +970,7 @@
 			continue;
 
 		/* Create the table in memory by scanning the chip(s) */
-		if (!(this->bbt_options & NAND_CREATE_EMPTY_BBT))
+		if (!(this->bbt_options & NAND_BBT_CREATE_EMPTY))
 			create_bbt(mtd, buf, bd, chipsel);
 
 		td->version[i] = 1;