This is a cleaned up port of the downstream i.MX8MQ USB3 PHY driver.
Signed-off-by: NLi Jun <jun.li@nxp.com>
Signed-off-by: NLucas Stach <l.stach@pengutronix.de>
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>