MAINTAINERS, mailmap: update Sven Peter's email address

Update my mail address to my new @kernel.org one and also add a mailmap
entry to make sure everything gets sent there for easier filtering.

Signed-off-by: Sven Peter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

Author: svenpeter42

.mailmap

@@ -717,6 +717,7 @@ Sven Eckelmann <[email protected]> <[email protected]>
 Sven Eckelmann <[email protected]> <[email protected]>
 Sven Eckelmann <[email protected]> <[email protected]>
 Sven Eckelmann <[email protected]> <[email protected]>
+Sven Peter <[email protected]> <[email protected]>
 Takashi YOSHII <[email protected]>
 Tamizh Chelvam Raja <[email protected]> <[email protected]>
 Taniya Das <[email protected]> <[email protected]>

MAINTAINERS

@@ -2251,7 +2251,7 @@ F:	sound/soc/codecs/cs42l84.*
 F:	sound/soc/codecs/ssm3515.c
 
 ARM/APPLE MACHINE SUPPORT
-M:	Sven Peter <sven@svenpeter.dev>
+M:	Sven Peter <sven@kernel.org>
 M:	Janne Grunau <[email protected]>
 R:	Alyssa Rosenzweig <[email protected]>
 R:	Neal Gompa <[email protected]>