ASoC: Add support for tx data lane3 for lito v2

Lito has three data lanes for tx swr. As gpio support
for swr tx data3 is present for lito v2, enable data
lane for lito v2.

Change-Id: I56faee1974f59e0a506fc74f2dadb95a52071907
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>