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/T2080QDS_SDCARD_defconfig b/configs/T2080QDS_SDCARD_defconfig
index b4508f6..0097961 100644
--- a/configs/T2080QDS_SDCARD_defconfig
+++ b/configs/T2080QDS_SDCARD_defconfig
@@ -7,7 +7,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="t2080qds"
 CONFIG_SPL_TEXT_BASE=0xFFFD8000
 CONFIG_FSL_USE_PCA9547_MUX=y
-CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_MMC=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y