Yocto 2.3

Move OpenBMC to Yocto 2.3(pyro).

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/yocto-poky/bitbake/lib/bblayers/common.py b/import-layers/yocto-poky/bitbake/lib/bblayers/common.py
index b10fb4c..98515ce 100644
--- a/import-layers/yocto-poky/bitbake/lib/bblayers/common.py
+++ b/import-layers/yocto-poky/bitbake/lib/bblayers/common.py
@@ -12,7 +12,7 @@
 
     def tinfoil_init(self, tinfoil):
         self.tinfoil = tinfoil
-        self.bblayers = (self.tinfoil.config_data.getVar('BBLAYERS', True) or "").split()
+        self.bblayers = (self.tinfoil.config_data.getVar('BBLAYERS') or "").split()
         layerconfs = self.tinfoil.config_data.varhistory.get_variable_items_files('BBFILE_COLLECTIONS', self.tinfoil.config_data)
         self.bbfile_collections = {layer: os.path.dirname(os.path.dirname(path)) for layer, path in layerconfs.items()}