PEL: Add Symbolic FRU support to Callout

This adds a constructor that takes a priority, symbolic FRU, location
cod, and if the location code can be trusted enough that the FRU can be
replaced based on it.  It then creates a FRUIdentity object with the
symbolic FRU.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I38074467dd5dba6f9260d50afe93e08c7fe96cd2
diff --git a/extensions/openpower-pels/callout.hpp b/extensions/openpower-pels/callout.hpp
index 6b7dbc7..fda0024 100644
--- a/extensions/openpower-pels/callout.hpp
+++ b/extensions/openpower-pels/callout.hpp
@@ -84,7 +84,7 @@
      * @brief Constructor
      *
      * Creates the objects with a FRUIdentity substructure that calls
-     * out maintenance procedure.
+     * out a maintenance procedure.
      *
      * @param[in] priority - The priority of the callout
      * @param[in] procedureFromRegistry - The maintenance procedure name
@@ -93,6 +93,22 @@
     Callout(CalloutPriority priority, const std::string& procedureFromRegistry);
 
     /**
+     * @brief Constructor
+     *
+     * Creates the objects with a FRUIdentity substructure that calls
+     * out a symbolic FRU.
+     *
+     * @param[in] priority - The priority of the callout
+     * @param[in] symbolicFRUFromRegistry - The symbolic FRU name as
+     *                                      defined in the message registry.
+     * @param[in] locationCode - The location code of the callout
+     * @param[in] trustedLocationCode - If the location is trusted
+     */
+    Callout(CalloutPriority priority,
+            const std::string& symbolicFRUFromRegistry,
+            const std::string& locationCode, bool trustedLocationCode);
+
+    /**
      * @brief Returns the size of this object when flattened into a PEL
      *
      * @return size_t - The size of the section