Add support for Entity Association Record

Adding support for Entity Association Record (SDR type - 0x08h)
This patch includes:
1) Entity Association Record yaml file example
2) Entity Assocation Record related script and mako file changes
3) Adding Entity Association Record in get_sdr IPMI command response

From the host, tested that entity association records can be fetched

Change-Id: I9cf598e5d27d2e8c6751bbaae2176e7c976974b1
Tested: Yes
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/types.hpp b/types.hpp
index 70f397c..57c5873 100644
--- a/types.hpp
+++ b/types.hpp
@@ -196,6 +196,21 @@ enum class ThresholdMask
     CRITICAL_HIGH_MASK = 0x10,
 };
 
+static constexpr uint8_t maxContainedEntities = 4;
+using ContainedEntitiesArray =
+    std::array<std::pair<uint8_t, uint8_t>, maxContainedEntities>;
+
+struct EntityInfo
+{
+    uint8_t containerEntityId;
+    uint8_t containerEntityInstance;
+    bool isList;
+    bool isLinked;
+    ContainedEntitiesArray containedEntities;
+};
+
+using EntityInfoMap = std::map<Id, EntityInfo>;
+
 } // namespace sensor
 
 namespace network