clockevents: Provide sysfs interface
clockevents: Provide sysfs interface

Provide a simple sysfs interface for the clockevent devices. Show the
current active clockevent device.

Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>
Cc: John Stultz <33837adfb53316eae44aad04041e1240088d76fd@linaro.org>
Cc: Magnus Damm <1f369b7bccd13b930ed9aa83ec10be6225fd866f@gmail.com>
Link: b712ff27a6e9e3067209c32a5907c322641753f7@linutronix.de
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs