phy: stm32-usbphyc: stm32-usbphyc: Add DT phy tuning support

Add support of phy-tuning properties for sm32-usbphyc's phy tuning
aligned with v5.15 kernel bindings.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
1 file changed