mmc: sdhci-sprd: Constify struct sdhci_ops

The local struct sdhci_ops can be made const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240414-mmc-const-sdhci-ops-v2-3-262f81faadac@kernel.orgSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-sprd.c

@@ -439,7 +439,7 @@ static void sdhci_sprd_set_power(struct sdhci_host *host, unsigned char mode,
 	}
 }
 
-static struct sdhci_ops sdhci_sprd_ops = {
+static const struct sdhci_ops sdhci_sprd_ops = {
 	.read_l = sdhci_sprd_readl,
 	.write_l = sdhci_sprd_writel,
 	.write_w = sdhci_sprd_writew,