MAINTAINERS: add counter/ftm-quaddec driver entry

Adding myself as maintainer for this driver
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

MAINTAINERS

@@ -6216,6 +6216,14 @@ M:	Philip Kelleher <pjk1939@linux.ibm.com>
 S:	Maintained
 F:	drivers/block/rsxx/
 
+FLEXTIMER FTM-QUADDEC DRIVER
+M:	Patrick Havelange <patrick.havelange@essensium.com>
+L:	linux-iio@vger.kernel.org
+S:	Maintained
+F:	Documentation/ABI/testing/sysfs-bus-counter-ftm-quadddec
+F:	Documentation/devicetree/bindings/counter/ftm-quaddec.txt
+F:	drivers/counter/ftm-quaddec.c
+
 FLOPPY DRIVER
 M:	Jiri Kosina <jikos@kernel.org>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy.git