legacy/msm8660: Enable support for LPA/Tunnel audio playback

 - based off http://review.cyanogenmod.org/#/c/53196

Change-Id: I12edbf103fe3a5a81451d2b4242bf77342b64ff9
Merge branch 'kk_2.7_rb1.10' of git://codeaurora.org/platform/hardware/qcom/audio into cm-11.0

Change-Id: Id3f0e64330f747f3a232f90108369fb826efd8a3
Merge branch 'kk_3.5_rb1.13' of git://codeaurora.org/platform/hardware/qcom/audio into cm-11.0

Change-Id: I9a1a3109af5425586244beb59c824ca811d3d9df
alsa_sound: fix FM ifdef

Change-Id: I508a05bc11f0d77819c8d672ff80f8876e4f1f4e
alsa_sound: fix doRouting parameters

Change-Id: I349d912055cb5dd6025a5d02ca75a714faa1a1c9
audio-caf: add msm8660 back to the build list

  * msm8660 was accidentally removed in 3068cf92813ea9ecc0bb11dfe4d1dc13ab37a4fc

Change-Id: I4d01ab7c7381e144ff0486a6d4fbe198afecb57f