cpuidle / Documentation: Update cpuidle MAINTAINERS entry

Update the MAINTAINERS entry for cpuidle by making it clear that it
is not just drivers and adding a documentation record to it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2019-01-03 11:30:07 +01:00
commit 09ad32dc6d