mmc: sh_mmcif: Add Kconfig entry

Add Kconfig entry for SH MMCIF driver.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>

drivers/mmc/Kconfig

@@ -266,6 +266,12 @@ config SH_SDHI
 	help
 	  Support for the on-chip SDHI host controller on SuperH/Renesas ARM SoCs platform
 
+config SH_MMCIF
+	bool "SuperH/Renesas ARM SoCs on-chip MMCIF host controller support"
+	depends on ARCH_RMOBILE || SH
+	help
+	  Support for the on-chip MMCIF host controller on SuperH/Renesas ARM SoCs platform
+
 config MMC_UNIPHIER
 	bool "UniPhier SD/MMC Host Controller support"
 	depends on ARCH_UNIPHIER