pcie: drop functionality moved to core

Now that core sets memory type correctly,
remove this code from pcie port implementation.
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pcie_port.c

@@ -27,23 +27,13 @@ void pcie_port_init_reg(PCIDevice *d)
     pci_set_word(d->config + PCI_STATUS, 0);
     pci_set_word(d->config + PCI_SEC_STATUS, 0);
 
-    /* Unlike conventional pci bridge, some bits are hardwared to 0. */
+    /* Unlike conventional pci bridge, some bits are hardwired to 0. */
     pci_set_word(d->wmask + PCI_BRIDGE_CONTROL,
                  PCI_BRIDGE_CTL_PARITY |
                  PCI_BRIDGE_CTL_ISA |
                  PCI_BRIDGE_CTL_VGA |
                  PCI_BRIDGE_CTL_SERR |
                  PCI_BRIDGE_CTL_BUS_RESET);
-
-    /* 7.5.3.5 Prefetchable Memory Base Limit
-     * The Prefetchable Memory Base and Prefetchable Memory Limit registers
-     * must indicate that 64-bit addresses are supported, as defined in
-     * PCI-to-PCI Bridge Architecture Specification, Revision 1.2.
-     */
-    pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_BASE,
-                               PCI_PREF_RANGE_TYPE_64);
-    pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_LIMIT,
-                               PCI_PREF_RANGE_TYPE_64);
 }
 
 /**************************************************************************