Fix Stelian's email address

Change my old email address which is no longer valid.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/board/esd/otc570/otc570.c b/board/esd/otc570/otc570.c
index 15faa16..5dded41 100644
--- a/board/esd/otc570/otc570.c
+++ b/board/esd/otc570/otc570.c
@@ -4,7 +4,7 @@
  * esd electronic system design gmbh <www.esd.eu>
  *
  * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Stelian Pop <stelian@popies.net>
  * Lead Tech Design <www.leadtechdesign.com>
  *
  * See file CREDITS for list of people who contributed to this