Make PM QoS request API generic to pass the type of latency
requirement needed by the client instead of hard coding
latency type. Add latency type as a function parameter.
CRs-Fixed: 972761
Change-Id: Ic912148d2068fe8a758b6a4b3be570ccf870f03a
Signed-off-by: Sarada Prasanna Garnayak <sgarna@codeaurora.org>