of/promtree: add of_pdt namespace to pdt code

For symbols still lacking namespace qualifiers, add an of_pdt_ prefix.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 6a7b4db..2d51527 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -282,5 +282,5 @@
 
 void __init leon_init(void)
 {
-	prom_build_more = &leon_node_init;
+	of_pdt_build_more = &leon_node_init;
 }