Changes to support surfacing of link weight as part of link info

Change-Id: I1c0705a9374af1245f0419c51beded0d7ee10639

runtime/hsa-runtime/core/runtime/amd_topology.cpp

@@ -131,6 +131,7 @@ void RegisterLinkInfo(uint32_t node_id, uint32_t num_link) {
     link_info.max_latency = io_link.MaximumLatency;
     link_info.min_bandwidth = io_link.MinimumBandwidth;
     link_info.min_latency = io_link.MinimumLatency;
+    link_info.numa_distance = io_link.Weight;
 
     core::Runtime::runtime_singleton_->RegisterLinkInfo(
         io_link.NodeFrom, io_link.NodeTo, io_link.Weight, link_info);

runtime/hsa-runtime/inc/hsa_ext_amd.h

@@ -973,6 +973,10 @@ typedef struct hsa_amd_memory_pool_link_info_s {
   */
   hsa_amd_link_info_type_t link_type;
 
+  /**
+   * NUMA distance of memory pool relative to querying agent
+   */
+  uint32_t numa_distance;
 } hsa_amd_memory_pool_link_info_t;
 
 /**