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-openembedded/meta-networking/recipes-support/tnftp/tnftp_20151004.bb b/import-layers/meta-openembedded/meta-networking/recipes-support/tnftp/tnftp_20151004.bb
index 8c2c111..83ad11b 100644
--- a/import-layers/meta-openembedded/meta-networking/recipes-support/tnftp/tnftp_20151004.bb
+++ b/import-layers/meta-openembedded/meta-networking/recipes-support/tnftp/tnftp_20151004.bb
@@ -33,7 +33,7 @@
 SRC_URI[sha256sum] = "c94a8a49d3f4aec1965feea831d4d5bf6f90c65fd8381ee0863d11a5029a43a0"
 
 PACKAGECONFIG ?= "openssl \
-    ${@bb.utils.contains('DISTRO_FEATURES', 'ipv6', 'ipv6', '', d)} \
+    ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)} \
 "
 PACKAGECONFIG[openssl] = "--enable-ssl, --disable-ssl --with-ssl=no, openssl"
 PACKAGECONFIG[ipv6] = "--enable-ipv6,--disable-ipv6,"