cm: sepolicy: Allow ueventd to properly handle cpufreq changes

 * We need to allow relabeling since these files can pop in and out if
   the governor is changed.

Change-Id: Id75099290e24dac9962d4fed8148ec2df9e256b2
(cherry picked from commit 002b4f0a4f2579e1ff96244ba3804ce0729a9810)
cm: sepolicy: Allow ueventd to load WiFi and audio irmware

 * Every device which uses Prima or WCD will hit this, so just allow it.

Change-Id: Ie2303ad7fc3498276d41e567a738cd016f635453
(cherry picked from commit d3827c4f4170f7b647d776f1901e2422ab8adcca)