clk: Modify xlate() method for livetree

Update the xlate() method to use ofnode_phandle_args instead of the fdtdec
variant. This will allow drivers to support a live device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index f4ec5fc..be1d11e 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -87,7 +87,7 @@
 	return 0;
 }
 
-int at91_clk_of_xlate(struct clk *clk, struct fdtdec_phandle_args *args)
+int at91_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args)
 {
 	int periph;