usb: core: Add a function to get USB version independent periodic payload

usb: core: Add a function to get USB version independent periodic payload

Add usb_endpoint_max_periodic_payload() to obtain maximum payload bytes in
a service interval for isochronous and interrupt endpoints in a USB
version independent way.

Signed-off-by: Rai, Amardeep <amardeep.rai@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250820143824.551777-5-sakari.ailus@linux.intel.com