bitbake: runqueue/siggen: Optimise hash equiv queries

We only have hash equivalence for setscene tasks so only query the server
for those, reducing the number of connections needed.

(Bitbake rev: 22082c7b3ca0cffcedb7d1d8c6681d35286376db)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/runqueue.py

@@ -1173,6 +1173,7 @@ class RunQueueData:
                     self.prepare_task_hash(tid)
 
         bb.parse.siggen.writeout_file_checksum_cache()
+        bb.parse.siggen.set_setscene_tasks(self.runq_setscene_tids)
 
         #self.dump_data()
         return len(self.runtaskentries)