b43/b43legacy: fix my copyright notices

Fix my copyright notices in b43 and b43legacy.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
index 491e518..d121fae 100644
--- a/drivers/net/wireless/b43legacy/phy.c
+++ b/drivers/net/wireless/b43legacy/phy.c
@@ -3,7 +3,7 @@
   Broadcom B43legacy wireless driver
 
   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
-		     Stefano Brivio <st3@riseup.net>
+		     Stefano Brivio <stefano.brivio@polimi.it>
 		     Michael Buesch <mbuesch@freenet.de>
 		     Danny van Dyk <kugelfang@gentoo.org>
      Andreas Jaggi <andreas.jaggi@waterwave.ch>