ALSA: line6: fix control and interrupt message timeouts

USB control and interrupt message timeouts are specified in milliseconds
and should specifically not vary with CONFIG_HZ.

Fixes: 705ececd ("Staging: add line6 usb driver")
Cc: stable@vger.kernel.org      # 2.6.30
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211025121142.6531-3-johan@kernel.org


Signed-off-by: Takashi Iwai <tiwai@suse.de>