Port phosphor::logging to lg2

Added patch which ports all the phosphor::log to lg2

Tested:
1) No crash is seen when smbios-mdr is loaded


Change-Id: If6d1f24eb34be7370382c18b76eff7897e305226
Signed-off-by: Prithvi Pai <ppai@nvidia.com>
diff --git a/src/system.cpp b/src/system.cpp
index 7a37263..b3e58bd 100644
--- a/src/system.cpp
+++ b/src/system.cpp
@@ -136,13 +136,12 @@
             std::ofstream smbiosFile(smbiosFilePath, std::ios_base::trunc);
             if (!smbiosFile.good())
             {
-                phosphor::logging::log<phosphor::logging::level::ERR>(
-                    "Open MDRV2 table file failure");
+                lg2::error("Open MDRV2 table file failure");
                 return result;
             }
             smbiosFile.clear();
             smbiosFile.close();
-            phosphor::logging::log<phosphor::logging::level::ERR>(
+            lg2::error(
                 "Find non-print char, delete the broken MDRV2 table file!");
             return sdbusplus::server::xyz::openbmc_project::inventory::
                 decorator::Revision::version(result);