serial/JSM: change maintainer to myself

Lucas has moved on. Since his email address does not work any more, it's
not expected to get his ack.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index fd3a495..3d87ac3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4566,7 +4566,7 @@
 F:	include/linux/jbd2.h
 
 JSM Neo PCI based serial card
-M:	Lucas Tavares <lucaskt@linux.vnet.ibm.com>
+M:	Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
 L:	linux-serial@vger.kernel.org
 S:	Maintained
 F:	drivers/tty/serial/jsm/