msm: bam_dmux: increase min/max sleep usecs
Remove spinlocks around the wake_lock/unlock and use an atomic variable instead to protect wakelock_reference_count.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Change-Id: I75317d6c3b2b807831e05aff951c9a57e8d2abd8