ASoC: msm: Add VoLTE as FE DAI link

Add VoLTE as front end DAI link in msm8x10 DAI link list. This
change is to support exclusive VoLTE call session on msm8x10.

Change-Id: I2298607cfb28b59764ac859f038f85c6c9c9760c
Signed-off-by: Venkata Narendra Kumar Gutta <vgutta@codeaurora.org>