Staging: mt29f_spinand: Remove multiple blank lines

Remove excess blank line in-between two function declarations.
Issue found by checkpatch.

CHECK: Please don't use multiple blank lines
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt29f_spinand/mt29f_spinand.c

@@ -677,7 +677,6 @@ static uint8_t spinand_read_byte(struct mtd_info *mtd)
 	return data;
 }
 
-
 static int spinand_wait(struct mtd_info *mtd, struct nand_chip *chip)
 {
 	struct spinand_info *info = (struct spinand_info *)chip->priv;