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-devtools/quilt/quilt-native.inc b/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt-native.inc
index 5c4b0a2..c706704 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt-native.inc
+++ b/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt-native.inc
@@ -5,7 +5,7 @@
 inherit native
 
 PATCHTOOL = "patch"
-EXTRA_OECONF = "--disable-nls"
+EXTRA_OECONF_append = " --disable-nls"
 
 do_configure () {
 	oe_runconf