Convert CONFIG_CMD_MMC_SPI to Kconfig
This converts the following to Kconfig:
CONFIG_CMD_MMC_SPI
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/configs/UCP1020_SPIFLASH_defconfig b/configs/UCP1020_SPIFLASH_defconfig
index 68ef59a..88228db 100644
--- a/configs/UCP1020_SPIFLASH_defconfig
+++ b/configs/UCP1020_SPIFLASH_defconfig
@@ -19,6 +19,7 @@
CONFIG_CMD_I2C=y
CONFIG_CMD_USB=y
CONFIG_CMD_GPIO=y
+CONFIG_CMD_MMC_SPI=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y