USB: Better name for __check_usb_generic()

__check_usb_generic() doesn't explain very well what the
function actually does: It checks to see whether the driver is
non-generic and matches the device.

Change it to check_for_non_generic_match()

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20200818110445.509668-2-hadess@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>