bitbake: hob: replace the use of hob-toolchain with populate_sdk task

Now bitbake has an API to run individual task for targets.
Hob can use this to build the sdk, instead of using the hob-
toolchain.

(Bitbake rev: 4a5009036e9cb38f6e0260a88278948931073bc6)

Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/builder.py

@@ -380,7 +380,6 @@ class Builder(gtk.Window):
         super(Builder, self).__init__()
 
         self.hob_image = "hob-image"
-        self.hob_toolchain = "hob-toolchain"
 
         # handler
         self.handler = hobHandler
@@ -597,7 +596,6 @@ class Builder(gtk.Window):
             image = self.configuration.selected_image
         self.handler.generate_image(image,
                                     base_image,
-                                    self.hob_toolchain,
                                     packages,
                                     toolchain_packages,
                                     self.configuration.default_task)