usb: renesas_usbhs: Allow an OTG PHY driver to provide VBUS
usb: renesas_usbhs: Allow an OTG PHY driver to provide VBUS

These changes allow a PHY driver to trigger a VBUS interrupt and
to provide the value of VBUS.

Signed-off-by: Phil Edworthy <971bddb2e701dbc38bbbb5673c620edba0e95e2e@renesas.com>
Reviewed-by: Laurent Pinchart <3ded2f39a78f0d7044839546f95841842b4d7c96@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs