spl: Kconfig: SPL_MMC_SUPPORT depends on GENERIC_MMC

spl_mmc.c calls mmc_initialize(). This symbol is provided in
drivers/mmc/mmc.c when CONFIG_GENERIC_MMC is enabled.
The sunxi Kconfig case is an oddball because it redefines
SPL_MMC_SUPPORT.
Signed-off-by: NAlexandru Gagniuc <alex.g@adaptrum.com>
[trini: Update arch/arm/cpu/armv8/zynqmp/Kconfig]
Signed-off-by: NTom Rini <trini@konsulko.com>

arch/arm/cpu/armv8/zynqmp/Kconfig

@@ -13,7 +13,7 @@ config SPL_LIBGENERIC_SUPPORT
 	default y
 
 config SPL_MMC_SUPPORT
-	default y
+	default y if MMC_SDHCI_ZYNQ
 
 config SPL_SERIAL_SUPPORT
 	default y

board/sunxi/Kconfig

@@ -3,6 +3,7 @@ if ARCH_SUNXI
 config IDENT_STRING
 	default " Allwinner Technology"
 
+# FIXME: Should not redefine these Kconfig symbols
 config PRE_CONSOLE_BUFFER
 	default y
 
@@ -19,6 +20,7 @@ config SPL_LIBGENERIC_SUPPORT
 	default y
 
 config SPL_MMC_SUPPORT
+	depends on SPL && GENERIC_MMC
 	default y
 
 config SPL_POWER_SUPPORT

common/spl/Kconfig

@@ -371,7 +371,7 @@ config SPL_LIBGENERIC_SUPPORT
 
 config SPL_MMC_SUPPORT
 	bool "Support MMC"
-	depends on SPL
+	depends on SPL && GENERIC_MMC
 	help
 	  Enable support for MMC (Multimedia Card) within SPL. This enables
 	  the MMC protocol implementation and allows any enabled drivers to