MAINTAINERS: Add PhoenixRC Flight Controller Adapter

Add MAINTAINERS entry for PhoenixRC Flight Controller Adapter
Signed-off-by: NMarcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

MAINTAINERS

@@ -11045,6 +11045,13 @@ S:	Maintained
 F:	include/linux/personality.h
 F:	include/uapi/linux/personality.h
 
+PHOENIX RC FLIGHT CONTROLLER ADAPTER
+M:	Marcus Folkesson <marcus.folkesson@gmail.com>
+L:	linux-input@vger.kernel.org
+S:	Maintained
+F:	Documentation/input/devices/pxrc.rst
+F:	drivers/input/joystick/pxrc.c
+
 PHONET PROTOCOL
 M:	Remi Denis-Courmont <courmisch@gmail.com>
 S:	Supported