mtd: rawnand: mpc5121: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/mtd/nand/raw/mpc5121_nfc.c:441:2-3: Unneeded semicolon
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: Nzhengbin <zhengbin13@huawei.com>
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/nand/raw/mpc5121_nfc.c

@@ -438,7 +438,7 @@ static void mpc5121_nfc_copy_spare(struct mtd_info *mtd, uint offset,
 		buffer += blksize;
 		offset += blksize;
 		size -= blksize;
-	};
+	}
 }
 
 /* Copy data from/to NFC main and spare buffers */