msm: mhi_dev: Add KPI marker and log for mhi init

Add logs and Boot KPI Markers in MHI driver for MHI
Initialization. This is required for KPI consistency
and KPI calculation and getting KPI data.

Change-Id: Ie6ab9b69f4ab3fb548cc9a2f0bf74ba935a88e0c
Signed-off-by: Nitesh Gupta <nitegupt@codeaurora.org>