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/cpu/armv7/ls102xa/spl.c b/arch/arm/cpu/armv7/ls102xa/spl.c
index 308536c..a194968 100644
--- a/arch/arm/cpu/armv7/ls102xa/spl.c
+++ b/arch/arm/cpu/armv7/ls102xa/spl.c
@@ -8,7 +8,7 @@
 
 u32 spl_boot_device(void)
 {
-#ifdef CONFIG_SPL_MMC_SUPPORT
+#ifdef CONFIG_SPL_MMC
 	return BOOT_DEVICE_MMC1;
 #endif
 	return BOOT_DEVICE_NAND;
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
index aa0bae4..68111b6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
@@ -27,7 +27,7 @@
 
 u32 spl_boot_device(void)
 {
-#ifdef CONFIG_SPL_MMC_SUPPORT
+#ifdef CONFIG_SPL_MMC
 	return BOOT_DEVICE_MMC1;
 #endif
 #ifdef CONFIG_SPL_NAND_SUPPORT