linux-phytec-ti

ti_config_fragments/connectivity.cfg: enable USB DWC3

Enable USB DWC3 and dual-role on DWC3 as it is used
on TI's AM437x and AM57x SoCs.

While at it, disable some USB drivers not used
on TI platforms to save build time.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>