Changing MLME data access methods to inline

As indicated in one of the reveiws, it makes more sense
to change the data access methods to inline as they are
just one liners.

Author: Hasnain Virk

features/lorawan/lorastack/mac/LoRaMacMlme.cpp

@@ -151,13 +151,3 @@ LoRaMacStatus_t LoRaMacMlme::set_request(MlmeReq_t *mlmeRequest,
 
     return LORAMAC_STATUS_PARAMETER_INVALID;
 }
-
-MlmeIndication_t& LoRaMacMlme::get_indication()
-{
-    return indication;
-}
-
-MlmeConfirm_t& LoRaMacMlme::get_confirmation()
-{
-    return confirmation;
-}

features/lorawan/lorastack/mac/LoRaMacMlme.h

@@ -78,14 +78,19 @@ class LoRaMacMlme {
      *
      * @return               a reference to MLME confirm data structure
      */
-    MlmeConfirm_t& get_confirmation();
+    inline MlmeConfirm_t& get_confirmation()
+    {
+        return confirmation;
+    }
 
     /** Grants access to MLME indication data
      *
      * @return               a reference to MLME indication data structure
      */
-    MlmeIndication_t& get_indication();
-
+    inline MlmeIndication_t& get_indication()
+    {
+        return indication;
+    }
 
 private: