ASoC: msm: qdsp6v2: extend wakelock hook to all misc drivers

Extend PM_AWAKE and PM_RELAX interfaces to all misc drivers as to allow
their clients in user space to hold ARM core during time out count down.

Change-Id: I754f6198201e47826857459ef0fd18a7c7834310
Signed-off-by: Weiyin Jiang <wjiang@codeaurora.org>