Update .mailmap for Linus Walleij

Developers run into bouncing emails from my old address,
so add it to .mailmap. Stuff in the rest of my old mail
addresses as well while we're at it.

Reported-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>

Author: linusw

.mailmap

@@ -471,6 +471,10 @@ Linas Vepstas <linas@austin.ibm.com>
 Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
 Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
 Linus Lüssing <linus.luessing@c0d3.blue> <ll@simonwunderlich.de>
+Linus Walleij <linusw@kernel.org> <linus.walleij@ericsson.com>
+Linus Walleij <linusw@kernel.org> <linus.walleij@stericsson.com>
+Linus Walleij <linusw@kernel.org> <linus.walleij@linaro.org>
+Linus Walleij <linusw@kernel.org> <triad@df.lth.se>
 <linux-hardening@vger.kernel.org> <kernel-hardening@lists.openwall.com>
 Li Yang <leoyang.li@nxp.com> <leoli@freescale.com>
 Li Yang <leoyang.li@nxp.com> <leo@zh-kernel.org>