staging: comedi: addi_apci_3120: merge in addi_apci_3001 driver

The addi_apci_3120 and addi_apci_3001 drivers share the same low-level
board support code (hwdrv_apci3120). Merge the boardinfo and PCI_DEVICE
information from the addi_apci_3001 driver into the addi_apci_3120
driver and delete then delete the addi_apci_3001 driver.

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