maintainers: update MAINTAINERS file.

Update Maintainers file.
Signed-off-by: NDaniel Machon <daniel.machon@microchip.com>
Signed-off-by: NSteen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -2401,6 +2401,7 @@ N:	atmel
 ARM/Microchip Sparx5 SoC support
 M:	Lars Povlsen <lars.povlsen@microchip.com>
 M:	Steen Hegelund <Steen.Hegelund@microchip.com>
+M:	Daniel Machon <daniel.machon@microchip.com>
 M:	UNGLinuxDriver@microchip.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Supported