[POWERPC] mpc5200: Add common mpc52xx_setup_pci() routine

This patch moves a generic pci init code from lite5200
platform file to a common mpc52xx_setup_pci() routine
and adds additional compatibility property verification.

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

include/asm-powerpc/mpc52xx.h

@@ -257,7 +257,12 @@ extern void mpc52xx_declare_of_platform_devices(void);
 extern void mpc52xx_init_irq(void);
 extern unsigned int mpc52xx_get_irq(void);
 
+#ifdef CONFIG_PCI
 extern int __init mpc52xx_add_bridge(struct device_node *node);
+extern void __init mpc52xx_setup_pci(void);
+#else
+static inline void mpc52xx_setup_pci(void) { }
+#endif
 
 extern void __init mpc52xx_map_wdt(void);
 extern void mpc52xx_restart(char *cmd);