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/scripts/oe-setup-builddir b/import-layers/yocto-poky/scripts/oe-setup-builddir
index e53f73c..ef49551 100755
--- a/import-layers/yocto-poky/scripts/oe-setup-builddir
+++ b/import-layers/yocto-poky/scripts/oe-setup-builddir
@@ -23,6 +23,14 @@
     exit 1
 fi
 
+if [ "$1" = '--help' -o "$1" = '-h' ]; then
+    echo 'Usage: oe-setup-builddir'
+    echo ''
+    echo "OpenEmbedded setup-builddir - setup build directory $BUILDDIR"
+    echo ''
+    exit 2
+fi
+
 mkdir -p "$BUILDDIR/conf"
 
 if [ ! -d "$BUILDDIR" ]; then