fdt: Rename fdt_create_phandle to fdt_set_phandle

The old fdt_create_phandle didn't actually create a phandle it just
set one.  We'll introduce a new helper that actually does creation.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Gerald Van Baren <vanbaren@cideas.com>
diff --git a/include/fdt_support.h b/include/fdt_support.h
index 863024f..fdb9307 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -89,7 +89,7 @@
 int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
 					phys_addr_t compat_off);
 int fdt_alloc_phandle(void *blob);
-int fdt_create_phandle(void *fdt, int nodeoffset, uint32_t phandle);
+int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
 int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
 
 int fdt_verify_alias_address(void *fdt, int anode, const char *alias,