mtd: rawnand: cadence: Remove an unneeded result variable

Return the value cadence_nand_set_access_width16() directly instead of
storing it in another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220901074555.313266-1-ye.xingchen@zte.com.cn

drivers/mtd/nand/raw/cadence-nand-controller.c

@@ -1979,7 +1979,6 @@ static int cadence_nand_force_byte_access(struct nand_chip *chip,
 					  bool force_8bit)
 {
 	struct cdns_nand_ctrl *cdns_ctrl = to_cdns_nand_ctrl(chip->controller);
-	int status;
 
 	/*
 	 * Callers of this function do not verify if the NAND is using a 16-bit
@@ -1990,9 +1989,7 @@ static int cadence_nand_force_byte_access(struct nand_chip *chip,
 	if (!(chip->options & NAND_BUSWIDTH_16))
 		return 0;
 
-	status = cadence_nand_set_access_width16(cdns_ctrl, !force_8bit);
-
-	return status;
+	return cadence_nand_set_access_width16(cdns_ctrl, !force_8bit);
 }
 
 static int cadence_nand_cmd_opcode(struct nand_chip *chip,