python-efl: upgrade from separate recipes to shared python-efl-1.8.1

* python-ecore, python-edbus, python-edje, python-elementary,
  python-emotion, python-evas are now built from single source tree
* announcements:
  1.8.0:
  http://sourceforge.net/mailarchive/message.php?msg_id=31728838
  1.8.1:
  http://sourceforge.net/mailarchive/message.php?msg_id=31862842

* be aware that upgrade-path wont probably work correctly
  and that you have to manually cleanup your sysroots before
  migrating to new shared efl recipe, for details see
  https://bugzilla.yoctoproject.org/show_bug.cgi?id=4102

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-efl/recipes-devtools/python/python-edbus_1.7.0.bb

@@ -1,5 +1,6 @@
 require ${BPN}.inc
-PR = "${INC_PR}.0"
+
+PR = "r1"
 
 SRC_URI[md5sum] = "40b479444bb06147429a276127981890"
 SRC_URI[sha256sum] = "78e5ca334ee25185748660b4e612f984f4d3bced018f062278701429868f117b"