phy: rockchip-typec: add pm_runtime_disable in err case

Add pm_runtime_disable in err case to make the pm_runtime_enable/disable
is invoked balanced.

Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>