eepro100: Set configuration bit for standard TCB

For some devices, this bit is always set.
For the others, it is set by default.
Signed-off-by: NStefan Weil <weil@mail.berlios.de>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/eepro100.c

@@ -518,6 +518,9 @@ static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device)
         logout("Device %X is undefined!\n", device);
     }
 
+    /* Standard TxCB. */
+    s->configuration[6] |= BIT(4);
+
     /* Standard statistical counters. */
     s->configuration[6] |= BIT(5);