mach-msm: Manage pil_get and decoder parameters

pil_get may fail for apq8064 simulator as downloading q6
is done separately. Voice parameters are different for
apq8064 simulator and other machine types, hence setting
those values based on machine type

Change-Id: I6f8b7f1f260218723ca6f34395ccf19666c901ae
Signed-off-by: Swaminathan Sathappan <Swami@codeaurora.org>