ASoC: audio-ext-clk: enable lpass_mclk for LPASS_CLK_VER_2

Sound card is not getting detected as mclk ID is not properly
set for AVS service version LPASS_CLK_VER_2. Enable lpass_mclk
for LPASS_CLK_VER_2 AVS service version.

CRs-Fixed: 2169190
Change-Id: I4c4545a75bc5bbdfd86a36989ca20462292c94ec
Signed-off-by: Surendar karka <sukark@codeaurora.org>