mpc83xx: move common /memory node update mechanism to cpu.c

also adds common prototypes to include/common.h.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/common.h b/include/common.h
index 27a660a..9a5a0ab 100644
--- a/include/common.h
+++ b/include/common.h
@@ -434,6 +434,13 @@
 void	upmconfig     (unsigned int, unsigned int *, unsigned int);
 ulong	get_tbclk     (void);
 void	reset_cpu     (ulong addr);
+#if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
+void ft_cpu_setup(void *blob, bd_t *bd);
+#ifdef CONFIG_PCI
+void ft_pci_setup(void *blob, bd_t *bd);
+#endif
+#endif
+
 
 /* $(CPU)/serial.c */
 int	serial_init   (void);