msm8960dt: Fix speaker paths for voice calls

* Motorola splits the Speaker enable portion into Voice CallSpeaker
  and Voice CallMI2S Line.

Change-Id: I1acfa773ead9e8df030714e5ac58b763f78837b6
msm8960dt: Move comment lines out of enable/disable sequence

Change-Id: I85441896046777b46cf8405597985cd28e309b8c
remove uneeded overlay
	deleted:    overlay/packages/services/Telephony/res/values/network_mode.xml

Change-Id: I400dad398067e7619e2fc4ea0d5164e90542b1b6