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/xmlto/xmlto_0.0.28.bb b/import-layers/yocto-poky/meta/recipes-devtools/xmlto/xmlto_0.0.28.bb
index 6072a7b..6216d77 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/xmlto/xmlto_0.0.28.bb
+++ b/import-layers/yocto-poky/meta/recipes-devtools/xmlto/xmlto_0.0.28.bb
@@ -26,7 +26,7 @@
                   libxslt-bin \
                   coreutils \
 "
-CACHED_CONFIGUREVARS += "ac_cv_path_TAIL=${bindir}/tail"
+CACHED_CONFIGUREVARS += "ac_cv_path_TAIL=tail"
 
 BBCLASSEXTEND = "native"