libpldmresponder: fixup logging includes

Replace inclusion of phosphor-logging elog-errors.hpp by log.hpp. The
latter was what was just needed.

Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Change-Id: I0781aec734d5afb54369d9961085413ed755629d
diff --git a/libpldmresponder/utils.cpp b/libpldmresponder/utils.cpp
index fe23223..254b21a 100644
--- a/libpldmresponder/utils.cpp
+++ b/libpldmresponder/utils.cpp
@@ -6,7 +6,7 @@
 #include <ctime>
 #include <iostream>
 #include <map>
-#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/log.hpp>
 #include <stdexcept>
 #include <string>
 #include <vector>