adm9240: Update Grant Coady's email address

Replace a bouncing email that I cannot recover from Mr Google.

Signed-off-by: Grant Coady <gcoady.lk@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Documentation/hwmon/adm9240

@@ -24,7 +24,7 @@ Authors:
     Frodo Looijaard <frodol@dds.nl>,
     Philip Edelbrock <phil@netroedge.com>,
     Michiel Rook <michiel@grendelproject.nl>,
-    Grant Coady <gcoady@gmail.com> with guidance
+    Grant Coady <gcoady.lk@gmail.com> with guidance
         from Jean Delvare <khali@linux-fr.org>
 
 Interface