[POWERPC] 83xx: Removed PCI exclude of PHB

Now that the generic code doesn't assign resources for Freescale
PHBs we dont have to explicitly exclude it.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/platforms/83xx/mpc83xx.h

@@ -49,8 +49,6 @@
  */
 
 extern int mpc83xx_add_bridge(struct device_node *dev);
-extern int mpc83xx_exclude_device(struct pci_controller *hose,
-				  u_char bus, u_char devfn);
 extern void mpc83xx_restart(char *cmd);
 extern long mpc83xx_time_init(void);
 extern int mpc834x_usb_cfg(void);