hwmon: (lm78) Become the maintainer

Declare myself the maintainer of the lm78 driver. I still have a
running system with one of these chips.

Also count myself as a co-author of the driver. With 34 commits over
6 years, it seems fair.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 43392c9..6026478 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3960,6 +3960,13 @@
 S:	Maintained
 F:	drivers/hwmon/lm73.c
 
+LM78 HARDWARE MONITOR DRIVER
+M:	Jean Delvare <khali@linux-fr.org>
+L:	lm-sensors@lm-sensors.org
+S:	Maintained
+F:	Documentation/hwmon/lm78
+F:	drivers/hwmon/lm78.c
+
 LM83 HARDWARE MONITOR DRIVER
 M:	Jean Delvare <khali@linux-fr.org>
 L:	lm-sensors@lm-sensors.org