AM654 SoC has USB2 PHY which is similar to existing USB2 PHYs on OMAP SoCs. Add support for the same. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>