MAINTAINERS: better list for "POSIX CLOCKS and TIMERS"

POSIX CLOCKS and TIMERS disscussion is more appropriate
on linux-kernel than linux-net. As suggested by the maintainer,
George Anzinger.
Signed-off-by: NHorms <horms@verge.net.au>
Acked-by: NGeorge Anzinger <george@mvista.com>
Signed-off-by: NAdrian Bunk <bunk@stusta.de>

MAINTAINERS

@@ -2053,7 +2053,7 @@ S:	Maintained
 POSIX CLOCKS and TIMERS
 P:	George Anzinger
 M:	george@mvista.com
-L:	netdev@vger.kernel.org
+L:	linux-kernel@vger.kernel.org
 S:	Supported
 
 POWERPC 4xx EMAC DRIVER