mmc: Fix menuconfig alignment of MMC_SDHCI_* options

Let MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER depend on MMC_SDHCI. Not
only this is more correct, but this also avoids breaking the alignment
of all other MMC_SDHCI_* options in menuconfig.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Chris Ball <chris@printf.net>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Albert Herranz <albert_herranz@yahoo.es>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/Kconfig

@@ -57,6 +57,7 @@ config MMC_SDHCI_IO_ACCESSORS
 
 config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
 	bool
+	depends on MMC_SDHCI
 	select MMC_SDHCI_IO_ACCESSORS
 	help
 	  This option is selected by drivers running on big endian hosts