ASoC: msm8x16-wcd: Avoid cross talk during IN2 record

While reading data via IN2 path, cross talk is observed.
To reduce it, we need  to set 0x142 register to 0x2
at powerup for IN2 path.

CRs-Fixed: 668998
Change-Id: If2815134fe493196f2fded83c6ac789776cc4e5a
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>