MAINTAINERS: add mvpp2 driver entry

Since its creation Marvell NIC driver for Armada 375/7k8k and
CN913x SoC families mvpp2 has been lacking an entry in MAINTAINERS,
which sometimes lead to unhandled bugs that persisted
across several kernel releases.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201211165114.26290-1-mw@semihalf.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -10517,6 +10517,14 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/marvell/mvneta.*
 
+MARVELL MVPP2 ETHERNET DRIVER
+M:	Marcin Wojtas <mw@semihalf.com>
+M:	Russell King <linux@armlinux.org.uk>
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/net/marvell-pp2.txt
+F:	drivers/net/ethernet/marvell/mvpp2/
+
 MARVELL MWIFIEX WIRELESS DRIVER
 M:	Amitkumar Karwar <amitkarwar@gmail.com>
 M:	Ganapathi Bhat <ganapathi.bhat@nxp.com>