mmc: sdhci-s3c: Support additional host capabilities

This patch adds support for additional host capabilities like SD/MMC
high speed, SDHCI bus width, etc.
Signed-off-by: NJeongbae Seo <jeongbae.seo@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NChris Ball <cjb@laptop.org>

drivers/mmc/host/sdhci-s3c.c

@@ -427,6 +427,10 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	/* HSMMC on Samsung SoCs uses SDCLK as timeout clock */
 	host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
 
+	/* It supports additional host capabilities if needed */
+	if (pdata->host_caps)
+		host->mmc->caps |= pdata->host_caps;
+
 	ret = sdhci_add_host(host);
 	if (ret) {
 		dev_err(dev, "sdhci_add_host() failed\n");