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/meta-virtualization/recipes-devtools/python/python-six_1.10.0.bb b/import-layers/meta-virtualization/recipes-devtools/python/python-six_1.10.0.bb
index a84a4c4..c279f9f 100644
--- a/import-layers/meta-virtualization/recipes-devtools/python/python-six_1.10.0.bb
+++ b/import-layers/meta-virtualization/recipes-devtools/python/python-six_1.10.0.bb
@@ -15,3 +15,5 @@
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
 inherit setuptools
+
+BBCLASSEXTEND = "native"
\ No newline at end of file