mmc: s5p_sdhci: Read generic MMC properties from DT

Read generic MMC properties from device-tree. This allows to specify for
example cd-inverted property and let MMC core to properly handle such
case.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 53efa96..b5fe828 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -204,8 +204,13 @@
 	if (ret)
 		return ret;
 
+	ret = mmc_of_parse(dev, &plat->cfg);
+	if (ret)
+		return ret;
+
 	host->mmc = &plat->mmc;
 	host->mmc->dev = dev;
+
 	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 400000);
 	if (ret)
 		return ret;