logging: Reducing log level in several places

INFO level is suppose to be used for informational messages that are
useful for ordinary user, but in several places we used it as a DEBUG
output.

In CS the level is reduced even more, to TRACE.

Change-Id: I9058e25d95de79661099dd4624d802cc33420983
diff --git a/daemon/table/strategy-choice-entry.cpp b/daemon/table/strategy-choice-entry.cpp
index 9d3f218..7933f33 100644
--- a/daemon/table/strategy-choice-entry.cpp
+++ b/daemon/table/strategy-choice-entry.cpp
@@ -5,6 +5,10 @@
  */
 
 #include "strategy-choice-entry.hpp"
+#include "core/logger.hpp"
+#include "fw/strategy.hpp"
+
+NFD_LOG_INIT("StrategyChoiceEntry");
 
 namespace nfd {
 namespace strategy_choice {
@@ -19,6 +23,8 @@
 {
   BOOST_ASSERT(static_cast<bool>(strategy));
   m_strategy = strategy;
+
+  NFD_LOG_INFO("Set strategy " << strategy->getName() << " for " << m_prefix << " prefix");
 }
 
 } // namespace strategy_choice