ASoC: msm8226: Enable tunnel amr wb recording

Add dai-link for tunnel amr wb recording. Multimedia 8 is the
front used for tunnel recording.

Change-Id: I044e61c815c7c764a23a33c81649a9ddb37720b1
Signed-off-by: Krishnankutty Kolathappilly <kkolat@codeaurora.org>
ASoC: wcd9306: Update RX4 mix chain with 3rd input

Update RX4 mix chain with 3rd input, with this change
RX4 mix chain can take an addition input from the available
Input source.

CRs-Fixed: 576170
Change-Id: I142fc5afbb2add3ed147dc0abc833b65081a526f
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>
ASoC: msm: Fix HW Delay print

HW delay print allows a possible NULL pointer dereference.
Move print to location that does not allow NULL dereference.

Change-Id: If99531d4b59d1ff78be43ad85e7b5e870798a0ed
CRs-Fixed: 582529
Signed-off-by: Ben Romberger <bromberg@codeaurora.org>