soc: qcom: wda: powersave optimization

Entering powersave in RLF could cause packets to be sent even if
flow is disabled. This change allows bypassing of powersave in
some conditions that is not necessary. It also fixed a potential
race condition that could lead to flow disabled in powersave mode.

Change-Id: I47a23229bd027c4c10e3c61b9bd6b8891a0d966b
CRs-fixed: 2391793
Acked-by: Weiyi Chen <weiyic@qti.qualcomm.com>
Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>