staging: comedi: addi_apci_1564: absorb apci1564_reset()

This is the only reset fuction used by this driver.  We can remove it from
the boardinfo and absorb the code from hwdrv_apci1564.c into the driver.

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