MAINTAINERS: add Atmel PTC entries

Add entries for the Atmel PTC Subsystem.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>

Author: ldesroches

MAINTAINERS

@@ -2213,6 +2213,13 @@ M:	Nicolas Ferre <nicolas.ferre@atmel.com>
 S:	Supported
 F:	drivers/net/ethernet/cadence/
 
+ATMEL PTC SUBSYSTEM DRIVER
+M:	Ludovic Desroches <ludovic.desroches@microchip.com>
+L:	linux-input@vger.kernel.org
+S:	Supported
+F:	Documentation/devicetree/bindings/input/atmel,ptc.txt
+F:	drivers/input/misc/atmel_ptc.c
+
 ATMEL NAND DRIVER
 M:	Wenyou Yang <wenyou.yang@atmel.com>
 M:	Josh Wu <rainyfeeling@outlook.com>