[golan] Do not assume all devices are identical

Remove the global variable shomron_nodnic_supported, since it may have
different values for different PCI devices.

Originally-fixed-by: Mohammed Taha <mohammedt@mellanox.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/infiniband/golan.c

 	.tx_uar_send_doorbell_fn = shomron_tx_uar_send_db,
 };
 
-static int shomron_nodnic_supported = 0;
-
 static int shomron_nodnic_is_supported ( struct pci_device *pci ) {
 	if ( DEVICE_IS_CIB ( pci->device ) )
 		return 0;
 		goto probe_done;
 	}
 
-	shomron_nodnic_supported = shomron_nodnic_is_supported ( pci );
-	if ( shomron_nodnic_supported ) {
+	if ( shomron_nodnic_is_supported ( pci ) ) {
 		DBG ( "%s: Using NODNIC driver\n", __FUNCTION__ );
 		rc = flexboot_nodnic_probe ( pci, &shomron_nodnic_callbacks, NULL );
 	} else {
 static void golan_remove ( struct pci_device *pci ) {
 	DBG ( "%s: start\n", __FUNCTION__ );
 
-	if ( ! shomron_nodnic_supported ) {
+	if ( ! shomron_nodnic_is_supported ( pci ) ) {
 		DBG ( "%s: Using normal driver remove\n", __FUNCTION__ );
 		golan_remove_normal ( pci );
 		return;