MAINTAINERS: Add myself to pse networking maintainer

As I add support for PoE in PSE networking subsystem it seems legitimate
to be added to the maintainers.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://lore.kernel.org/r/20240417-feature_poe-v9-6-242293fd1900@bootlin.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -17779,6 +17779,7 @@ F:	net/psample
 
 PSE NETWORK DRIVER
 M:	Oleksij Rempel <o.rempel@pengutronix.de>
+M:	Kory Maincent <kory.maincent@bootlin.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/pse-pd/