staging: comedi: addi_apci_1564: remove len_chanlist from di and do subdevices

This value is only needed for subdevices that support async commands.
The comedi core will default the value to 1 when it is not initialized.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi_apci_1564.c

@@ -385,7 +385,6 @@ static int apci1564_auto_attach(struct comedi_device *dev,
 	s->subdev_flags = SDF_READABLE;
 	s->n_chan = 32;
 	s->maxdata = 1;
-	s->len_chanlist = 32;
 	s->range_table = &range_digital;
 	s->insn_bits = apci1564_di_insn_bits;
 
@@ -395,7 +394,6 @@ static int apci1564_auto_attach(struct comedi_device *dev,
 	s->subdev_flags = SDF_WRITEABLE;
 	s->n_chan = 32;
 	s->maxdata = 0xffffffff;
-	s->len_chanlist = 32;
 	s->range_table = &range_digital;
 	s->insn_config = apci1564_do_config;
 	s->insn_bits = apci1564_do_insn_bits;