powerpc: Convert to using %pOF instead of full_name

Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 8275858..3f46ca1 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -253,7 +253,7 @@ int __init btext_find_display(int allow_nonstdout)
 
 	for_each_node_by_type(np, "display") {
 		if (of_get_property(np, "linux,opened", NULL)) {
-			printk("trying %s ...\n", np->full_name);
+			printk("trying %pOF ...\n", np);
 			rc = btext_initialize(np);
 			printk("result: %d\n", rc);
 		}