staging: comedi: quatech_daqp_cs: spaces preferred around that '<<'

Fix the checkpatch.pl issues about:
CHECK: spaces preferred around that '<<' (ctx:VxV)

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>