mailmap: add Markus Schneider-Pargmann

Add my old mail address and update my name.

Link: https://lkml.kernel.org/r/20230628081341.3470229-1-msp@baylibre.comSigned-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

.mailmap

@@ -301,6 +301,7 @@ Marek Behún <kabel@kernel.org> <marek.behun@nic.cz>
 Marek Behún <kabel@kernel.org> Marek Behun <marek.behun@nic.cz>
 Mark Brown <broonie@sirena.org.uk>
 Mark Starovoytov <mstarovo@pm.me> <mstarovoitov@marvell.com>
+Markus Schneider-Pargmann <msp@baylibre.com> <mpa@pengutronix.de>
 Mark Yao <markyao0591@gmail.com> <mark.yao@rock-chips.com>
 Martin Kepplinger <martink@posteo.de> <martin.kepplinger@ginzinger.com>
 Martin Kepplinger <martink@posteo.de> <martin.kepplinger@puri.sm>