[PATCH v4 3/4] phy: rockchip-typec: support variable phy config value

the phy config values used to fix in dp firmware, but some boards need change these values to do training and get the better eye diagram result. So support that in phy driver. Signed-off-by: Chris Zhong Signed-off-by: Lin Huang --- Changes in v2: -

[PATCH v4 3/4] phy: rockchip-typec: support variable phy config value

the phy config values used to fix in dp firmware, but some boards need change these values to do training and get the better eye diagram result. So support that in phy driver. Signed-off-by: Chris Zhong Signed-off-by: Lin Huang --- Changes in v2: - update patch following Enric suggest Changes