mmc: Rename MMC_SUPPORT to MMC

Rename these options so that CONFIG_IS_ENABLED can be used with them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
[trini: Fixup some incorrect renames]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig b/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig
index c0f0a68..244d9cc 100644
--- a/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig
+++ b/configs/stm32mp15-microgea-stm32mp1-microdev2_defconfig
@@ -6,7 +6,7 @@
 CONFIG_ENV_OFFSET=0x280000
 CONFIG_DEFAULT_DEVICE_TREE="stm32mp157a-microgea-stm32mp1-microdev2.0"
 CONFIG_SPL_TEXT_BASE=0x2FFC2500
-CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_MMC=y
 CONFIG_SPL=y
 CONFIG_TARGET_MICROGEA_STM32MP1=y
 CONFIG_ENV_OFFSET_REDUND=0x2C0000