PEL: Add additional power sequencer callouts

Facilitate future code development by adding additional power good and
voltage fault callouts.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: Ie56a1dc74bc6b52e44d719a00e59ffcd168ddc07
diff --git a/extensions/openpower-pels/pel_values.cpp b/extensions/openpower-pels/pel_values.cpp
index 19b5210..aa77a5d 100644
--- a/extensions/openpower-pels/pel_values.cpp
+++ b/extensions/openpower-pels/pel_values.cpp
@@ -241,7 +241,8 @@
     {"ambient_temp_back", "AMBBACK"}, {"ambient_perf_loss", "AMBPERF"},
     {"ac_module", "ACMODUL"},         {"fan_cable", "FANCBL"},
     {"cable_continued", "CBLCONT"},   {"altitude", "ALTTUDE"},
-    {"pcie_hot_plug", "PCIEHP"},      {"overtemp", "OVERTMP"}};
+    {"pcie_hot_plug", "PCIEHP"},      {"overtemp", "OVERTMP"},
+    {"memory_dimm", "MEMDIMM"}};
 
 PELValues::const_iterator findByValue(uint32_t value, const PELValues& fields)
 {