configs: am43xx: Enable RNDIS support in SPL

The AM43xx SOCs have the ability to download the SPl through USB (RNDIS).
Adding support for RNDIS in SPL allows to also download u-boot through USB.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed