Documentation for this PHY, and the proper configuration settings,
is *not* publicly available. Therefore the initialization sequence
is copied wholesale from downstream:
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org> Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>