cpufreq: qcom: Add snapshot of cpufreq-hw

This is snapshot of the cpufreq-hw as of msm-4.19
'commit b75185bdb985 ("cpufreq: qcom-hw:
Add support for QCOM cpufreq HW driver")'.

Change-Id: Ibd5bcf763513ba959e67eb736e707f30d30a41b0
Signed-off-by: Taniya Das <tdas@codeaurora.org>