pci: add prototype for pci_ftpci_init() function

The pci_ftpci_init() function is implemented
in 'drivers/pci/pci_ftpci100.c' however it is
always called by external code.

Add function declaration into ftpci100.h to
make it visible for external code.

Compile tested only.

Cc: Macpaul Lin <macpaul@andestech.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

drivers/pci/pci_ftpci100.h

@@ -76,6 +76,8 @@ struct ftpci100_ahbc {
 #define FTPCI100_BRIDGE_VENDORID		0x159b
 #define FTPCI100_BRIDGE_DEVICEID		0x4321
 
+void pci_ftpci_init(void);
+
 struct pcibar {
 	unsigned int size;
 	unsigned int addr;