mailmap: update email address

This commit replaces my company's email address with a stable private
address.

Signed-off-by: Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

.mailmap

@@ -63,6 +63,7 @@ Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@mips.com>
 Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@imgtec.com>
 Dengcheng Zhu <dzhu@wavecomp.com> <dczhu@mips.com>
 Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@gmail.com>
+<dev.kurt@vandijck-laurijssen.be> <kurt.van.dijck@eia.be>
 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 Dmitry Safonov <0x7f454c46@gmail.com> <dsafonov@virtuozzo.com>
 Dmitry Safonov <0x7f454c46@gmail.com> <d.safonov@partner.samsung.com>