bitbake: bin, toaster: Fix print and exception syntax

This updates the print "" syntax to print() and fixes some exception
handling syntax such that its compatible with python v2 and v3.

(Bitbake rev: 58304fcce9727fd89564436771356c033ecd22a3)

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

bitbake/lib/toaster/toastermain/settings.py

@@ -138,7 +138,7 @@ else:
                 try:
                     if pytz.timezone(zonename) is not None:
                         zonefilelist[hashlib.md5(open(filepath).read()).hexdigest()] = zonename
-                except UnknownTimeZoneError, ValueError:
+                except UnknownTimeZoneError as ValueError:
                     # we expect timezone failures here, just move over
                     pass
             except ImportError: