pci: Don't export pci_hose_config_device()

This function is not used outside this file so make it static.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2210545..e219572 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -184,11 +184,8 @@
 	return -1;
 }
 
-int pci_hose_config_device(struct pci_controller *hose,
-			   pci_dev_t dev,
-			   unsigned long io,
-			   pci_addr_t mem,
-			   unsigned long command)
+static int pci_hose_config_device(struct pci_controller *hose, pci_dev_t dev,
+				  ulong io, pci_addr_t mem, ulong command)
 {
 	u32 bar_response;
 	unsigned int old_command;
diff --git a/include/pci.h b/include/pci.h
index 041f8e3..dd5f051 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -735,12 +735,6 @@
 extern pci_dev_t pci_find_devices (struct pci_device_id *ids, int index);
 pci_dev_t pci_find_class(unsigned int find_class, int index);
 
-extern int pci_hose_config_device(struct pci_controller *hose,
-				  pci_dev_t dev,
-				  unsigned long io,
-				  pci_addr_t mem,
-				  unsigned long command);
-
 extern int pci_hose_find_capability(struct pci_controller *hose, pci_dev_t dev,
 				    int cap);
 extern int pci_hose_find_cap_start(struct pci_controller *hose, pci_dev_t dev,