soc: qcom: bam_dmux: Replace wake locks with wakeup sources

Wake locks have been deprecated.

Remove deprecated wake lock calls and replace with wakeup sources and
power-management calls.

Change-Id: I116e714369da15b6e12375b10e780f38fd0e1b8b
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>