Add apns/eri for Boost Mobile

Change-Id: I01bb82afe9a7a35d0a309491fe96da34655ec9c3
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