[ALPS08861573] smi: add bus status api and use dbg cmd to enable log

[Description]
add smi_bus_status_check api and use dbg cmd to enable log

[Test]
camera stress

MTK-Commit-Id: d7460949ad209a7fa39f6ba316df645b6bbedd41

Signed-off-by: Sabrina Kuo <Yi.Kuo@mediatek.com>
CR-Id: ALPS08861573
Feature: smi driver
Change-Id: Idaa8d756aea4cb7d52add709d71f4e04e7e1ebfa