PEL: Add fsi path maintenance procedure

Maintenance procedures are part of the PEL callout section.
This procedure is used to indicate the problem could be related
to the fsi hardware path.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I36ca9f0484e041adcaa542b9ea17b71ab545c6bd
diff --git a/extensions/openpower-pels/pel_values.cpp b/extensions/openpower-pels/pel_values.cpp
index 24a4ba1..b3dc272 100644
--- a/extensions/openpower-pels/pel_values.cpp
+++ b/extensions/openpower-pels/pel_values.cpp
@@ -221,7 +221,9 @@
     // Isolation not possible, please contact your next level of support
     {"next_level_support", "BMC0002"},
     // Problem is in SBE code, upgrade your firmware
-    {"sbe_code", "BMC0003"}};
+    {"sbe_code", "BMC0003"},
+    // Problem is somewhere in the FSI bus path
+    {"fsi_path", "BMC0004"}};
 
 /**
  * @brief Map of the registry names for the symbolic FRUs to their