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/action.py b/import-layers/yocto-poky/bitbake/lib/bblayers/action.py
index 739ae27..cf94704 100644
--- a/import-layers/yocto-poky/bitbake/lib/bblayers/action.py
+++ b/import-layers/yocto-poky/bitbake/lib/bblayers/action.py
@@ -180,7 +180,7 @@
 
         if first_regex:
             # Find the BBFILES entries that match (which will have come from this conf/layer.conf file)
-            bbfiles = str(self.tinfoil.config_data.getVar('BBFILES', True)).split()
+            bbfiles = str(self.tinfoil.config_data.getVar('BBFILES')).split()
             bbfiles_layer = []
             for item in bbfiles:
                 if first_regex.match(item):