powerpc/4xx: Delete an unnecessary return statement in two functions

The script "checkpatch.pl" pointed information out like the following.

WARNING: void function return statements are not generally useful

Thus remove such a statement in the affected functions.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/4xx/ocm.c

@@ -223,8 +223,6 @@ static void __init ocm_init_node(int count, struct device_node *node)
 	INIT_LIST_HEAD(&ocm->c.list);
 
 	ocm->ready = 1;
-
-	return;
 }
 
 static int ocm_debugfs_show(struct seq_file *m, void *v)

arch/powerpc/platforms/4xx/pci.c

@@ -1399,7 +1399,6 @@ static void __init ppc_476fpe_pciex_check_link(struct ppc4xx_pciex_port *port)
 		printk(KERN_WARNING "PCIE%d: Link up failed\n", port->index);
 
 	iounmap(mbase);
-	return;
 }
 
 static struct ppc4xx_pciex_hwops ppc_476fpe_pcie_hwops __initdata =