drivers/of: fix missing pr_cont()s in of_print_phandle_args

Since the KERN_CONT changes, the current debug printks have a lot of
empty lines making the log messages very hard to read.
Signed-off-by: NMarcin Nowakowski <marcin.nowakowski@imgtec.com>
Signed-off-by: NRob Herring <robh@kernel.org>

drivers/of/base.c

@@ -1566,9 +1566,12 @@ void of_print_phandle_args(const char *msg, const struct of_phandle_args *args)
 {
 	int i;
 	printk("%s %s", msg, of_node_full_name(args->np));
-	for (i = 0; i < args->args_count; i++)
-		printk(i ? ",%08x" : ":%08x", args->args[i]);
-	printk("\n");
+	for (i = 0; i < args->args_count; i++) {
+		const char delim = i ? ',' : ':';
+
+		pr_cont("%c%08x", delim, args->args[i]);
+	}
+	pr_cont("\n");
 }
 
 int of_phandle_iterator_init(struct of_phandle_iterator *it,