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/socfpga_secu1_defconfig b/configs/socfpga_secu1_defconfig
index 63cbf31..12b7709 100644
--- a/configs/socfpga_secu1_defconfig
+++ b/configs/socfpga_secu1_defconfig
@@ -7,7 +7,7 @@
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_arria5_secu1"
 CONFIG_SPL_TEXT_BASE=0xFFFF0000
-# CONFIG_SPL_MMC_SUPPORT is not set
+# CONFIG_SPL_MMC is not set
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_TARGET_SOCFPGA_ARRIA5_SECU1=y
 CONFIG_ENV_OFFSET_REDUND=0x120000