phy: sun4i-usb: Add A83T USB PHY config

Unlike, other Allwinner SUN4I Phy supporting SOC, A83T has
2 USB PHY's and second one is HSIC. So phy control need to
configure to handle these HSIC and SIDDQ requirement.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Jun Nie <jun.nie@linaro.org>