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/bitbake/lib/bb/persist_data.py b/import-layers/yocto-poky/bitbake/lib/bb/persist_data.py
index bb6deca..bef7018 100644
--- a/import-layers/yocto-poky/bitbake/lib/bb/persist_data.py
+++ b/import-layers/yocto-poky/bitbake/lib/bb/persist_data.py
@@ -28,11 +28,7 @@
 import warnings
 from bb.compat import total_ordering
 from collections import Mapping
-
-try:
-    import sqlite3
-except ImportError:
-    from pysqlite2 import dbapi2 as sqlite3
+import sqlite3
 
 sqlversion = sqlite3.sqlite_version_info
 if sqlversion[0] < 3 or (sqlversion[0] == 3 and sqlversion[1] < 3):
@@ -207,8 +203,8 @@
 def persist(domain, d):
     """Convenience factory for SQLTable objects based upon metadata"""
     import bb.utils
-    cachedir = (d.getVar("PERSISTENT_DIR", True) or
-                d.getVar("CACHE", True))
+    cachedir = (d.getVar("PERSISTENT_DIR") or
+                d.getVar("CACHE"))
     if not cachedir:
         logger.critical("Please set the 'PERSISTENT_DIR' or 'CACHE' variable")
         sys.exit(1)