From: Pavel Machek <pavel (AT) ucw.cz>

These are very small cleanups / documentation additions. It avoids
using different names for same fields in different structures.

Updated to latest cpufreq-bk by Dominik Brodowski, and ack'ed by Mark
Langsdorf, Paul Devriendt and Pavel Machek.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>