[POWERPC] 83xx: Suppress warning when CONFIG_PCI is not defined

Suppress warning when CONFIG_PCI is not defined.
Signed-off-by: NLi Yang <leoli@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/platforms/83xx/mpc8313_rdb.c

@@ -40,7 +40,9 @@ unsigned long isa_mem_base = 0;
  */
 static void __init mpc8313_rdb_setup_arch(void)
 {
+#ifdef CONFIG_PCI
 	struct device_node *np;
+#endif
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc8313_rdb_setup_arch()", 0);

arch/powerpc/platforms/83xx/mpc834x_itx.c

@@ -50,7 +50,9 @@ unsigned long isa_mem_base = 0;
  */
 static void __init mpc834x_itx_setup_arch(void)
 {
+#ifdef CONFIG_PCI
 	struct device_node *np;
+#endif
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc834x_itx_setup_arch()", 0);

arch/powerpc/platforms/83xx/mpc834x_mds.c

@@ -120,7 +120,9 @@ static int mpc834x_usb_cfg(void)
  */
 static void __init mpc834x_mds_setup_arch(void)
 {
+#ifdef CONFIG_PCI
 	struct device_node *np;
+#endif
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc834x_mds_setup_arch()", 0);