Correct doxygen syntax in phosphor-net-ipmid

Resolves openbmc/openbmc#1147

Change-Id: I57ab1b09ec1bf308cc3d97cd30b2d18564beb38b
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/session.hpp b/session.hpp
index 637438a..feef2d4 100644
--- a/session.hpp
+++ b/session.hpp
@@ -42,7 +42,7 @@
 // Seconds of inactivity allowed when session is active
 constexpr auto SESSION_INACTIVITY_TIMEOUT = 60s;
 
-/*
+/**
  * @struct SequenceNumbers Session Sequence Numbers
  *
  * IPMI v2.0 RMCP+ Session Sequence Numbers are used for rejecting packets that
@@ -79,7 +79,7 @@
         uint32_t in = 0;
         uint32_t out = 0;
 };
-/*
+/**
  * @class Session
  *
  * Encapsulates the data related to an IPMI Session
@@ -102,7 +102,7 @@
         Session(Session&&) = default;
         Session& operator=(Session&&) = default;
 
-        /*
+        /**
          * @brief Session Constructor
          *
          * This is issued by the Session Manager when a session is started for
@@ -144,7 +144,7 @@
             authAlgoInterface = std::move(inAuthAlgo);
         }
 
-        /*
+        /**
          * @brief Get Session's Integrity Algorithm
          *
          * @return pointer to the integrity algorithm
@@ -161,7 +161,7 @@
             }
         }
 
-        /*
+        /**
          * @brief Set Session's Integrity Algorithm
          *
          * @param[in] integrityAlgo - unique pointer to integrity algorithm
@@ -182,7 +182,7 @@
             return integrityAlgoInterface ? true : false;
         }
 
-        /*
+        /**
          * @brief Get Session's Confidentiality Algorithm
          *
          * @return pointer to the confidentiality algorithm
@@ -199,7 +199,7 @@
             }
         }
 
-        /*
+        /**
          * @brief Set Session's Confidentiality Algorithm
          *
          * @param[in] confAlgo - unique pointer to confidentiality algorithm
@@ -226,7 +226,7 @@
             lastTime = std::chrono::steady_clock::now();
         }
 
-        /*
+        /**
          * @brief Session Active Status
          *
          * Session Active status is decided upon the Session State and the last
@@ -235,12 +235,12 @@
          */
         bool isSessionActive();
 
-        /*
+        /**
          * @brief Session's Current Privilege Level
          */
         Privilege curPrivLevel;
 
-        /*
+        /**
          * @brief Session's Maximum Privilege Level
          */
         Privilege maxPrivLevel = Privilege::CALLBACK;