renesas_rzg2l_smarc_defconfig: Enable USB support

Enable support for USB 2.0, USB 1.1 and USB storage devices on the
Renesas RZ/G2L EVK.

Also enable the 'usb' command to support USB scanning and debugging.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
1 file changed