pci: Drop DM_PCI check from pci_common

We don't need this check anymore since when PCI is enabled, driver model
is always used.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c
index 5231b69..02a71da 100644
--- a/drivers/pci/pci_common.c
+++ b/drivers/pci/pci_common.c
@@ -99,7 +99,7 @@
 	return 0;
 }
 
-#if !defined(CONFIG_DM_PCI) || defined(CONFIG_DM_PCI_COMPAT)
+#if defined(CONFIG_DM_PCI_COMPAT)
 /* Get a virtual address associated with a BAR region */
 void *pci_map_bar(pci_dev_t pdev, int bar, int flags)
 {
@@ -361,4 +361,4 @@
 
 	return -ENODEV;
 }
-#endif /* !CONFIG_DM_PCI || CONFIG_DM_PCI_COMPAT */
+#endif /* CONFIG_DM_PCI_COMPAT */