ASoC: msm8916: update machine driver for new SSR design.

Update machine driver to handle MCLK enable properly for the
new sub system restart(SSR) design.

CRs-Fixed: 661491
Change-Id: Ib23e70fc253ca5fa6feaad25087795f1dd39df64
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>