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/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index e543103..9c7c9dc 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -15,7 +15,7 @@
 config SPL_LIBGENERIC_SUPPORT
 	default y
 
-config SPL_MMC_SUPPORT
+config SPL_MMC
 	default y if MMC_SDHCI_ZYNQ
 
 config SPL_SERIAL_SUPPORT