pcm052: board: cosmetic: Add copyright notice to pcm052.c

Signed-off-by: Lukasz Majewski <lukma@denx.de>
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c
index 5f2c9a9..95df0be 100644
--- a/board/phytec/pcm052/pcm052.c
+++ b/board/phytec/pcm052/pcm052.c
@@ -1,5 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
+ * (C) Copyright 2018
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de.
+ *
  * Copyright 2013 Freescale Semiconductor, Inc.
  */