Update PEL to Predictive when unable to get OCC PDRs

Originally created PEL as informational, but it needs to be predictive
to make it visible.

PEL is created when the PDRs have not been found after 5 minutes.

Change-Id: If9ea66333ea63f1d1d2c6950c16b0401e50949c4
Signed-off-by: Chris Cain <cjcain@us.ibm.com>
diff --git a/occ_manager.cpp b/occ_manager.cpp
index 7b12f38..3772265 100644
--- a/occ_manager.cpp
+++ b/occ_manager.cpp
@@ -1386,11 +1386,11 @@
                                           opLoggingInterface,
                                           "CreatePELWithFFDCFiles");
 
-        // Set level to Notice (Informational).
+        // Set level to Warning (Predictive).
         auto level =
             sdbusplus::xyz::openbmc_project::Logging::server::convertForMessage(
                 sdbusplus::xyz::openbmc_project::Logging::server::Entry::Level::
-                    Notice);
+                    Warning);
 
         method.append(d.path, level, additionalData, ffdc);
         bus.call(method);