Unbreak PCI config register, noticed by Stefan Weil.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2957 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/gt64xxx.c b/hw/gt64xxx.c
index a9589c0..f75f8af 100644
--- a/hw/gt64xxx.c
+++ b/hw/gt64xxx.c
@@ -720,7 +720,7 @@
         if (!(s->pci->config_reg & (1u << 31)))
             val = 0xffffffff;
         else
-            val = pci_data_read(s->pci->bus, s->pci->config_reg, 4);
+            val = pci_host_data_readl(s->pci, 0);
         break;
 
     case GT_PCI0_CMD: