Revert "Revert "poky: subtree update:b23aa6b753..ad30a6d470""

This reverts commit 4873add6e11c1bd421c83cd08df589f1184aa673.

A fix has been put up for openbmc/openbmc#3720 so we can bring
this back now

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: If59020a5b502f70aa7149fbef4ad2f50824d1ce6
diff --git a/poky/bitbake/lib/bb/tinfoil.py b/poky/bitbake/lib/bb/tinfoil.py
index 2fb1bb7..763c329 100644
--- a/poky/bitbake/lib/bb/tinfoil.py
+++ b/poky/bitbake/lib/bb/tinfoil.py
@@ -461,7 +461,16 @@
         commandline = [command]
         if params:
             commandline.extend(params)
-        result = self.server_connection.connection.runCommand(commandline)
+        try:
+            result = self.server_connection.connection.runCommand(commandline)
+        finally:
+            while True:
+                event = self.wait_event()
+                if not event:
+                    break
+                if isinstance(event, logging.LogRecord):
+                    if event.taskpid == 0 or event.levelno > logging.INFO:
+                        self.logger.handle(event)
         if result[1]:
             raise TinfoilCommandFailed(result[1])
         return result[0]