configs: am335x_boneblack_vboot: enable DM_USB and RNDIS boot in SPl

Enable DM_USB and DM_USB_GADGET for this platform. Also enable RNDIS boot
support (SPL load u-boot over USB RNDIS).
This is an example of how to use DM_USB on a am335x-based board.
A subsequent series will take this a step further and modify more
defconfigs.
Signed-off-by: NJean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

configs/am335x_boneblack_vboot_defconfig

@@ -13,7 +13,11 @@ CONFIG_VERSION_VARIABLE=y
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_SPL_MUSB_NEW_SUPPORT=y
 # CONFIG_SPL_NAND_SUPPORT is not set
+CONFIG_SPL_NET_SUPPORT=y
+CONFIG_SPL_NET_VCI_STRING="AM33xx U-Boot SPL"
 CONFIG_SPL_OS_BOOT=y
+CONFIG_SPL_USB_GADGET_SUPPORT=y
+CONFIG_SPL_USB_ETHER=y
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
 CONFIG_AUTOBOOT_DELAY_STR="d"
@@ -31,6 +35,7 @@ CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_USB_FUNCTION_FASTBOOT=y
 CONFIG_DM_I2C=y
+CONFIG_MISC=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_SPI_FLASH=y
@@ -44,8 +49,13 @@ CONFIG_OMAP3_SPI=y
 CONFIG_TIMER=y
 CONFIG_OMAP_TIMER=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_SPL_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_GADGET=y
+CONFIG_USB_MUSB_TI=y
 CONFIG_USB_MUSB_DSPS=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y