bacon: init.qcom-common.rc set chown on correct proc path

for silent_vib_sound_enable

Change-Id: I9263ddc90fcb5ef6d7a5f6a1e4c8586e5ea92128
msm8974-common: set correct permissions for flashlight_enable proc

Change-Id: Id93ef767b98a13daa632e660781561a7efeb1603
Make mixer_paths.xml device specific

 * Make mixer_paths.xml device specific because Bacon and find7 have
   different mic configurations.

 * This will allow speaker phone on find7.

Change-Id: Icdb2a5623256386b3cba1a9c939fc795e8fc1125