eepro100: fix PCI interrupt pin configuration regression

Commit 15e89f5916
removed this setting, but it is still needed.

Without this patch, e100 device drivers using
interrupts don't work with qemu.

See other nic emulations which also set the
PCI interrupt pin.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/eepro100.c

@@ -474,6 +474,9 @@ static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device)
     /* PCI Latency Timer */
     pci_set_byte(pci_conf + PCI_LATENCY_TIMER, 0x20);   /* latency timer = 32 clocks */
     /* Capability Pointer is set by PCI framework. */
+    /* Interrupt Line */
+    /* Interrupt Pin */
+    pci_set_byte(pci_conf + PCI_INTERRUPT_PIN, 1);      /* interrupt pin A */
     /* Minimum Grant */
     pci_set_byte(pci_conf + PCI_MIN_GNT, 0x08);
     /* Maximum Latency */