Deprecate the legacy Rockchip PCIe PHY and encourage users to use per-lane
PHY mode by setting #phy-cells to 1.
Signed-off-by: NShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NBrian Norris <briannorris@chromium.org>
Acked-by: NRob Herring <robh@kernel.org>