MAINTAINERS: use LKML for common clk framework

Framework is not ARM specific and used by many architectures. Change ML
from LAKML to LKML.
Signed-off-by: Mike Turquette <mturquette@linaro.org>

MAINTAINERS

@@ -2262,7 +2262,7 @@ F:	include/uapi/linux/coda*.h
 
 COMMON CLK FRAMEWORK
 M:	Mike Turquette <mturquette@linaro.org>
-L:	linux-arm-kernel@lists.infradead.org (same as CLK API & CLKDEV)
+L:	linux-kernel@vger.kernel.org
 T:	git git://git.linaro.org/people/mturquette/linux.git
 S:	Maintained
 F:	drivers/clk/