Move each chip's PHY tuning value set code to a separate function to
improve code readability.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NMaxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NFelipe Balbi <balbi@ti.com>