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/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
index 91ddef6..ed3aac7 100644
--- a/include/configs/socfpga_common.h
+++ b/include/configs/socfpga_common.h
@@ -185,7 +185,7 @@
 #endif
 
 /* SPL SDMMC boot support */
-#ifdef CONFIG_SPL_MMC_SUPPORT
+#ifdef CONFIG_SPL_MMC
 #if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
 #endif