defconfig: arm335x_evm_usbspl: Update MUSB Ethernet

Adds CONFIG_SPL_USB_GADGET_SUPPORT and CONFIG_SPL_USBETH_SUPPORT.

Removes CONFIG_SPL_NAND_SUPPORT, CONFIG_SPL_MTD_SUPPORT, and CONFIG_SPL_YMODEM_SUPPORT
to free up space to fit in RAM.

Signed-off-by: Michael Welling <mwelling@ieee.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Marek Vasut <marex@denx.de>

configs/am335x_evm_usbspl_defconfig

@@ -11,9 +11,9 @@ CONFIG_VERSION_VARIABLE=y
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_SPL=y
 CONFIG_SPL_STACK_R=y
-CONFIG_SPL_MTD_SUPPORT=y
 CONFIG_SPL_MUSB_NEW_SUPPORT=y
 CONFIG_SPL_NET_SUPPORT=y
+# CONFIG_SPL_NAND_SUPPORT is not set
 CONFIG_SPL_OS_BOOT=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
@@ -35,3 +35,6 @@ CONFIG_G_DNL_MANUFACTURER="Texas Instruments"
 CONFIG_G_DNL_VENDOR_NUM=0x0451
 CONFIG_G_DNL_PRODUCT_NUM=0xd022
 CONFIG_OF_LIBFDT=y
+CONFIG_SPL_USB_GADGET_SUPPORT=y
+CONFIG_SPL_USBETH_SUPPORT=y
+# CONFIG_SPL_YMODEM_SUPPORT is not set