CPU UV: initial adaptation to new sysfs

idk if this is correct since i didn't test it or even compile it yet. it is quite late and i just want to get this over with lol.

anyone please check if the voltages and the check are correct.
CPU UV: enable it again

i believe it is ok now
Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>

Change-Id: I530b6ba2ebd2f32795d90692afadca57bcb287e5
UV: We are not using extended steps on CM releases
Update step numbers for enabling voltages

Since we added 100 MHz freq step numbers changed ..
Merge pull request #5 from TeamCanjica/master

Update