NTB: Add list to MAINTAINERS

Add the new NTB mailing list to MAINTAINERS

Signed-off-by: Jon Mason <jdmason@kudzu.us>
diff --git a/MAINTAINERS b/MAINTAINERS
index b60e2b2..754bc73 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7258,6 +7258,7 @@
 M:	Jon Mason <jdmason@kudzu.us>
 M:	Dave Jiang <dave.jiang@intel.com>
 M:	Allen Hubbe <Allen.Hubbe@emc.com>
+L:	linux-ntb@googlegroups.com
 S:	Supported
 W:	https://github.com/jonmason/ntb/wiki
 T:	git git://github.com/jonmason/ntb.git
@@ -7269,6 +7270,7 @@
 NTB INTEL DRIVER
 M:	Jon Mason <jdmason@kudzu.us>
 M:	Dave Jiang <dave.jiang@intel.com>
+L:	linux-ntb@googlegroups.com
 S:	Supported
 W:	https://github.com/jonmason/ntb/wiki
 T:	git git://github.com/jonmason/ntb.git