[saimetadata]: Fixed "get_attr_name: object type 20 attr id 256 not f…

…ound in map!" (sonic-net#201)

Attribute SAI_QUEUE_ATTR_INDEX added into attribute map
for object type SAI_OBJECT_TYPE_QUEUE

Signed-off-by: Denis Maslov <Denis.Maslov@cavium.com>

meta/sai_meta_sanity.cpp

@@ -738,6 +738,7 @@ std::unordered_map<int32_t, std::unordered_map<int32_t, std::string>> get_attr_n
     ATTR_MAP_SET(QUEUE,SAI_QUEUE_ATTR_WRED_PROFILE_ID);
     ATTR_MAP_SET(QUEUE,SAI_QUEUE_ATTR_BUFFER_PROFILE_ID);
     ATTR_MAP_SET(QUEUE,SAI_QUEUE_ATTR_SCHEDULER_PROFILE_ID);
+    ATTR_MAP_SET(QUEUE,SAI_QUEUE_ATTR_INDEX);
     ATTR_MAP_SET(ROUTE,SAI_ROUTE_ATTR_PACKET_ACTION);
     ATTR_MAP_SET(ROUTE,SAI_ROUTE_ATTR_TRAP_PRIORITY);
     ATTR_MAP_SET(ROUTE,SAI_ROUTE_ATTR_NEXT_HOP_ID);