mmc: msm: rename CONFIG_MSM_SDHCI to CONFIG_MMC_SDHCI_MSM

Make the naming scheme consistent; all SDHCI-base drivers prefixed
with CONFIG_MMC_SDHCI_.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/dragonboard410c_defconfig b/configs/dragonboard410c_defconfig
index bf1a755..8f206e2 100644
--- a/configs/dragonboard410c_defconfig
+++ b/configs/dragonboard410c_defconfig
@@ -21,7 +21,7 @@
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
 CONFIG_DM_MMC=y
-CONFIG_MSM_SDHCI=y
+CONFIG_MMC_SDHCI_MSM=y
 CONFIG_MMC_SDHCI=y
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_PM8916=y