MAINTAINERS: Update mvpp2 driver email

I no longer use [email protected] email. Update
mvpp2 driver entry with my alternative address.

Signed-off-by: Marcin Wojtas <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: wojtas-marcin

MAINTAINERS

@@ -12814,7 +12814,7 @@ S:	Maintained
 F:	drivers/net/ethernet/marvell/mvneta.*
 
 MARVELL MVPP2 ETHERNET DRIVER
-M:	Marcin Wojtas <mw@semihalf.com>
+M:	Marcin Wojtas <marcin.s.wojtas@gmail.com>
 M:	Russell King <[email protected]>
 L:	[email protected]
 S:	Maintained