ASoC: mop500: Deletion of unnecessary checks before the function call "of_node_put"

The of_node_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/ux500/mop500.c

@@ -63,9 +63,7 @@ static void mop500_of_node_put(void)
 	int i;
 
 	for (i = 0; i < 2; i++) {
-		if (mop500_dai_links[i].cpu_of_node)
 		of_node_put(mop500_dai_links[i].cpu_of_node);
-		if (mop500_dai_links[i].codec_of_node)
 		of_node_put(mop500_dai_links[i].codec_of_node);
 	}
 }