drivers: soc: qcom: Add snapshot of boot stats driver

Snapshot of boot stats driver as of msm-4.14 commmit <6a24e5b9>.
(Merge "ARM: dts: msm: Disable dynamic-loading from HLOS_PHYSPOOL for qcs405").

Change-Id: I72a73be6d24fed5e8aa05864b0e1b3c8896e7d58
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>