Allow reading of cpufreq attributes

 * Various tools might want to use these values without writing to
   them. Set world readable for all nodes.

Change-Id: I5521ca0104e9f21b2e3fdb3469485f887ee50f28
Clean up Japanese APNs

 * Rename and rearrange Japanese APNs to make intelligible.

Change-Id: I628012eb5a2cdc1b4e95ca9a6cf1eaa88eb88b31