pico-imx6ul: drop warning due to redefined

USB gadget configuration is set in defconfig and
must be removed from pico-imx6ul.h.

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
1 file changed