MAINTAINERS: Add Daniel as maintainer for CLOCKSOURCE and CLOCKEVENT Drivers

I've been doing a bad job at managing the drivers/clocksource directory,
so Daniel has been helping with review and patch queuing for the clocksource
and clockevent drivers, so add him formally to the MAINTAINERS list.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Joe Perches <joe@perches.com>
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

MAINTAINERS

@@ -2107,6 +2107,13 @@ M:	Russell King <linux@arm.linux.org.uk>
 S:	Maintained
 F:	include/linux/clk.h
 
+CLOCKSOURCE, CLOCKEVENT DRIVERS
+M:	Daniel Lezcano <daniel.lezcano@linaro.org>
+M:	Thomas Gleixner <tglx@linutronix.de>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
+S:	Supported
+F:	drivers/clocksource
+
 CISCO FCOE HBA DRIVER
 M:	Hiral Patel <hiralpat@cisco.com>
 M:	Suma Ramars <sramars@cisco.com>
@@ -7123,7 +7130,7 @@ S:	Maintained
 F:	include/linux/mmc/dw_mmc.h
 F:	drivers/mmc/host/dw_mmc*
 
-TIMEKEEPING, NTP
+TIMEKEEPING, CLOCKSOURCE CORE, NTP
 M:	John Stultz <john.stultz@linaro.org>
 M:	Thomas Gleixner <tglx@linutronix.de>
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
@@ -7136,7 +7143,6 @@ F:	include/uapi/linux/timex.h
 F:	kernel/time/clocksource.c
 F:	kernel/time/time*.c
 F:	kernel/time/ntp.c
-F:	drivers/clocksource
 
 TLG2300 VIDEO4LINUX-2 DRIVER
 M:	Huang Shijie <shijie8@gmail.com>