Switch to lg2 for logging

After enabling C++20, lg2 is preferred for logging. This patch replaces
all phosphor::logging::log calls to lg2 calls.

Tested:
Build pass.

Change-Id: Ic37bc36f43c2b3a1c61b1328af95e3a41c8d6d40
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@intel.com>
12 files changed