USB: i.MX: Make DT dr_mode & phy_type parameters kernel compatible
Since the mainline kernel now has its own dr_mode and phy_type DT-options
for setting modes of USB ports, do these kernel parameters compatible by
removing "barebox" prefix.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>