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-daemons/tftp-hpa/tftp-hpa_5.2.bb b/import-layers/meta-openembedded/meta-networking/recipes-daemons/tftp-hpa/tftp-hpa_5.2.bb
index 5932f85..7f56713 100644
--- a/import-layers/meta-openembedded/meta-networking/recipes-daemons/tftp-hpa/tftp-hpa_5.2.bb
+++ b/import-layers/meta-openembedded/meta-networking/recipes-daemons/tftp-hpa/tftp-hpa_5.2.bb
@@ -37,7 +37,7 @@
 
 EXTRA_OECONF += "--disable-option-checking"
 
-PACKAGECONFIG ??= "${@bb.utils.contains('DISTRO_FEATURES', 'ipv6', 'ipv6', '', d)}"
+PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)}"
 PACKAGECONFIG[ipv6] = "--enable-ipv6,--disable-ipv6,"
 
 # configure.in has errors