convert systemintfcmds.cpp to use lg2

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I14a144cbb6482fdea655933af950eb38c083d7f5
diff --git a/systemintfcmds.cpp b/systemintfcmds.cpp
index fb5dde5..39ed323 100644
--- a/systemintfcmds.cpp
+++ b/systemintfcmds.cpp
@@ -8,6 +8,7 @@
 #include <ipmid-host/cmd.hpp>
 #include <ipmid/api.hpp>
 #include <nlohmann/json.hpp>
+#include <phosphor-logging/lg2.hpp>
 
 #include <cstring>
 #include <fstream>
@@ -114,17 +115,15 @@
 
     if (ipmi::getChannelInfo(ctx->channel, chInfo) != ipmi::ccSuccess)
     {
-        phosphor::logging::log<phosphor::logging::level::ERR>(
-            "Failed to get Channel Info",
-            phosphor::logging::entry("CHANNEL=%d", ctx->channel));
+        lg2::error("Failed to get Channel Info, channel={CHANNEL}", "CHANNEL",
+                   ctx->channel);
         return ipmi::responseUnspecifiedError();
     }
 
     if (chInfo.mediumType !=
         static_cast<uint8_t>(ipmi::EChannelMediumType::systemInterface))
     {
-        phosphor::logging::log<phosphor::logging::level::ERR>(
-            "Error - supported only in system interface");
+        lg2::error("Error - supported only in system interface");
         return ipmi::responseCommandNotAvailable();
     }