oem-ibm: Real SAI sensor and effecter PDR support

Real SAI (Sysytem Attention Indicator) is a physical led
indicator which lights up whenever there is a platform
error (originated from BMC) or a partition error
(originated from remote terminus) that is not mapped to
any physical FRU (Field Replaceable Unit)

Real SAI scenarios
1. Real SAI effecter can be turned off by the user OR by a
   remote terminus
2. Real SAI sensor is turned on if any of the partition SAI
   OR platform SAI is turned on
3. Real SAI is turned off if both partition and platform SAI
   are turned off
4. SAI data should be synced to remote terminus

Tested By:
Verified the sensor values with the dbus property changes.
Also executed the effecter operation to clear the Real SAI
state.

oem-ibm flag:
Change successfully built with oem-ibm as disabled

Change-Id: Ia31a9104589acdc08dc42b51082c8103b1d92754
Signed-off-by: Jayashankar Padath <jayashankarpadath@gmail.com>
diff --git a/pldmtool/oem/ibm/oem_ibm_state_set.hpp b/pldmtool/oem/ibm/oem_ibm_state_set.hpp
index b467b35..5de0c83 100644
--- a/pldmtool/oem/ibm/oem_ibm_state_set.hpp
+++ b/pldmtool/oem/ibm/oem_ibm_state_set.hpp
@@ -47,7 +47,9 @@
  */
 extern const std::map<uint8_t, std::string> OemIBMEntityType{
     {PLDM_OEM_IBM_ENTITY_FIRMWARE_UPDATE, "OEM IBM Firmware Update"},
-    {PLDM_OEM_IBM_ENTITY_TPM, "OEM IBM Trusted Platform Module"}};
+    {PLDM_OEM_IBM_ENTITY_TPM, "OEM IBM Trusted Platform Module"},
+    {PLDM_OEM_IBM_ENTITY_REAL_SAI, "OEM IBM Real SAI"},
+};
 
 /** @brief Map for PLDM OEM IBM State Sets
  */