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/classes/buildstats-summary.bbclass b/import-layers/yocto-poky/meta/classes/buildstats-summary.bbclass
index b86abcc..f9b241b 100644
--- a/import-layers/yocto-poky/meta/classes/buildstats-summary.bbclass
+++ b/import-layers/yocto-poky/meta/classes/buildstats-summary.bbclass
@@ -7,7 +7,7 @@
     if not os.path.exists(bsdir):
         return
 
-    sstatetasks = (e.data.getVar('SSTATETASKS', True) or '').split()
+    sstatetasks = (e.data.getVar('SSTATETASKS') or '').split()
     built = collections.defaultdict(lambda: [set(), set()])
     for pf in os.listdir(bsdir):
         taskdir = os.path.join(bsdir, pf)