staging: comedi: amplc_pc236: remove PCI device ID macros

The `PCI_DEVICE_ID_AMPLICON_PCI236` macro is only used once, in the
module device table, so remove it and expand the macro in the table.

`The `PCI_DEVICE_ID_INVALID` macro is no longer used, so remove it.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 1aae066..1a7fa45 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -57,10 +57,6 @@
 #define DO_ISA	IS_ENABLED(CONFIG_COMEDI_AMPLC_PC236_ISA)
 #define DO_PCI	IS_ENABLED(CONFIG_COMEDI_AMPLC_PC236_PCI)
 
-/* PCI236 PCI configuration register information */
-#define PCI_DEVICE_ID_AMPLICON_PCI236 0x0009
-#define PCI_DEVICE_ID_INVALID 0xffff
-
 /* PC36AT / PCI236 registers */
 
 /* Disable, and clear, interrupts */
@@ -407,8 +403,8 @@
 
 #if DO_PCI
 static const struct pci_device_id pc236_pci_table[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_AMPLICON, PCI_DEVICE_ID_AMPLICON_PCI236) },
-	{0}
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMPLICON, 0x0009) },
+	{ 0 }
 };
 
 MODULE_DEVICE_TABLE(pci, pc236_pci_table);