usb: dwc3-generic: Add rk3568 support

RK3568 share glue and ctrl in a single node. Use glue_get_ctrl_dev to
return the glue node as the ctrl node.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Marek Vasut <marex@denx.de>
1 file changed