PCI: Fix missing bridge dma_ranges resource list cleanup

Commit e80a91ad ("PCI: Add dma_ranges window list") added a
dma_ranges resource list, but failed to correctly free the list when
devm_pci_alloc_host_bridge() is used.

Only the iproc host bridge driver is using the dma_ranges list.

Fixes: e80a91ad ("PCI: Add dma_ranges window list")
Link: https://lore.kernel.org/r/20191008012325.25700-1-robh@kernel.orgSigned-off-by: NRob Herring <robh@kernel.org>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Cc: Srinath Mannam <srinath.mannam@broadcom.com>

drivers/pci/probe.c

@@ -572,6 +572,7 @@ static void devm_pci_release_host_bridge_dev(struct device *dev)
 		bridge->release_fn(bridge);
 
 	pci_free_resource_list(&bridge->windows);
+	pci_free_resource_list(&bridge->dma_ranges);
 }
 
 static void pci_release_host_bridge_dev(struct device *dev)