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/registry/schema/schema.json b/extensions/openpower-pels/registry/schema/schema.json
index b0539c3..0dfd281 100644
--- a/extensions/openpower-pels/registry/schema/schema.json
+++ b/extensions/openpower-pels/registry/schema/schema.json
@@ -451,7 +451,7 @@
         {
             "description": "The maintenance procedure callout.",
             "type": "string",
-            "enum": ["bmc_code", "next_level_support", "sbe_code"]
+            "enum": ["bmc_code", "next_level_support", "sbe_code", "fsi_path"]
         },
 
         "useInventoryLocCode":