sony-laptop: add to MAINTAINERS

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 0ad8803..7b3cd6d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3004,6 +3004,8 @@
 SONY VAIO CONTROL DEVICE DRIVER
 P:	Stelian Pop
 M:	stelian@popies.net
+P:	Mattia Dongili
+M:	malattia@linux.it
 W:	http://popies.net/sonypi/
 S:	Maintained