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/meta/recipes-extended/time/time.inc b/import-layers/yocto-poky/meta/recipes-extended/time/time.inc
index 8586217..6b20d7c 100644
--- a/import-layers/yocto-poky/meta/recipes-extended/time/time.inc
+++ b/import-layers/yocto-poky/meta/recipes-extended/time/time.inc
@@ -10,3 +10,5 @@
 
 ALTERNATIVE_${PN} = "time"
 ALTERNATIVE_PRIORITY = "100"
+
+BBCLASSEXTEND = "native nativesdk"