Expose iterator for executables

Change-Id: I0c5d39fc33c15a6eb8ee10ff181c2dcf2e042675


[ROCm/ROCR-Runtime commit: 15e54d684d]

projects/rocr-runtime/runtime/hsa-runtime/core/inc/hsa_ven_amd_loader_impl.h

@@ -78,6 +78,12 @@ namespace rocr {
     size_t size,
     hsa_code_object_reader_t *code_object_reader);
 
+  hsa_status_t
+    hsa_ven_amd_loader_iterate_executables(
+    hsa_status_t (*callback)(
+      hsa_executable_t executable,
+      void *data),
+    void *data);
 }  // namespace rocr
 
 #endif