usb: gadget: uvc: add g_parm and s_parm for frame interval

The uvc gadget driver is lacking the information which frame interval
was set by the host. We add this information by implementing the g_parm
and s_parm callbacks.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20240403-uvc_request_length_by_interval-v7-4-e224bb1035f0@pengutronix.de


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>