dts/st: New batch of -pinctrl.dtsi files including (alt) USB signals

Includes following signals:
F1: USB DM/DP, USB_OTG_FS DM/DP/SOF/ID/VBUS
Others: USB DM/DP/NOE, USB_OTG_FS DM/DP/SOF/ID/VBUS
USB_OTG_HS DM/DP/SOF/ID/VBUS and DIR/STP/NXT/D[0-7]

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>