MAINTAINERS: Add RCU's public git tree

RCU now has a public git tree, so add it via the T: line in the
MAINTAINERS file.
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: joe@perches.com
LKML-Reference: <20100825155850.GA6601@linux.vnet.ibm.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

MAINTAINERS

@@ -4799,6 +4799,7 @@ RCUTORTURE MODULE
 M:	Josh Triplett <josh@freedesktop.org>
 M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
 S:	Supported
+T:	git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git
 F:	Documentation/RCU/torture.txt
 F:	kernel/rcutorture.c
 
@@ -4823,6 +4824,7 @@ M:	Dipankar Sarma <dipankar@in.ibm.com>
 M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
 W:	http://www.rdrop.com/users/paulmck/rclock/
 S:	Supported
+T:	git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git
 F:	Documentation/RCU/
 F:	include/linux/rcu*
 F:	include/linux/srcu*