mmc: sdhci_am654: Remove the unneeded result variable

Return the value cqhci_init() 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>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20220830083349.276709-1-ye.xingchen@zte.com.cnSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci_am654.c

@@ -554,7 +554,6 @@ static const struct cqhci_host_ops sdhci_am654_cqhci_ops = {
 static int sdhci_am654_cqe_add_host(struct sdhci_host *host)
 {
 	struct cqhci_host *cq_host;
-	int ret;
 
 	cq_host = devm_kzalloc(mmc_dev(host->mmc), sizeof(struct cqhci_host),
 			       GFP_KERNEL);
@@ -568,9 +567,7 @@ static int sdhci_am654_cqe_add_host(struct sdhci_host *host)
 
 	host->mmc->caps2 |= MMC_CAP2_CQE;
 
-	ret = cqhci_init(cq_host, host->mmc, 1);
-
-	return ret;
+	return cqhci_init(cq_host, host->mmc, 1);
 }
 
 static int sdhci_am654_get_otap_delay(struct sdhci_host *host,