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/prelink/prelink_git.bb b/import-layers/yocto-poky/meta/recipes-devtools/prelink/prelink_git.bb
index 0856b1c..4529dbf 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/prelink/prelink_git.bb
+++ b/import-layers/yocto-poky/meta/recipes-devtools/prelink/prelink_git.bb
@@ -132,7 +132,7 @@
 }
 
 python () {
-    overrides = d.getVar("OVERRIDES", True).split(":")
+    overrides = d.getVar("OVERRIDES").split(":")
     if "class-target" in overrides:
         bb.build.addtask('do_linkerpaths', 'do_configure', 'do_patch', d)
 }