vbe: Add Kconfig options for VPL

Enable the various features needed in VPL, by adding Kconfig options.

Update the defconfig for sandbox_vpl so that the build for each phase
includes what is needed. Drop LZMA for now and make sure partition support
is omitted in SPL, since it is not needed.

Signed-off-by: Simon Glass <sjg@chromium.org>

common/spl/Kconfig.vpl

@@ -133,6 +133,36 @@ config VPL_I2C_SUPPORT
 	  Enable support for the I2C bus in VPL. Vee SPL_I2C_SUPPORT for
 	  details.
 
+config VPL_MMC
+	bool "Support MMC in VPL"
+	depends on VPL && MMC
+	default y if MMC
+	help
+	  Enable support for MMC (Multimedia Card) within VPL This enables
+	  the MMC protocol implementation and allows any enabled drivers to
+	  be used within VPL. MMC can be used with or without disk partition
+	  support depending on the application (SPL_LIBDISK_SUPPORT). Enable
+	  this option to build the drivers in drivers/mmc as part of an VPL
+	  build.
+
+config VPL_DM_MMC
+	bool "Enable MMC controllers using Driver Model in VPL"
+	depends on VPL_DM && DM_MMC
+	default y
+	help
+	  This enables the MultiMediaCard (MMC) uclass which supports MMC and
+	  Secure Digital I/O (SDIO) cards. Both removable (SD, micro-SD, etc.)
+	  and non-removable (e.g. eMMC chip) devices are supported. These
+	  appear as block devices in U-Boot and can support filesystems such
+	  as EXT4 and FAT.
+
+config VPL_MMC_WRITE
+	bool "MMC/SD/SDIO card support for write operations in VPL"
+	depends on VPL_MMC
+	default y
+	help
+	  Enable write access to MMC and SD Cards in VPL
+
 config VPL_PCH_SUPPORT
 	bool "Support PCH drivers"
 	default y if TPL_PCH_SUPPORT