mtd: spinand: winbond: Remove unneeded semicolon

Remove unnecessary semicolons reported by Coccinelle/coccicheck and the
semantic patch at scripts/coccinelle/misc/semicolon.cocci.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Author: Chen Ni

drivers/mtd/nand/spi/winbond.c

@@ -408,7 +408,7 @@ static int w35n0xjw_vcr_cfg(struct spinand_device *spinand,
 		break;
 	default:
 		return -EOPNOTSUPP;
-	};
+	}
 
 	dummy_cycles = ((ref_op->dummy.nbytes * 8) / ref_op->dummy.buswidth) /
 		(ref_op->dummy.dtr ? 2 : 1);