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/documentation/ref-manual/ref-bitbake.xml b/import-layers/yocto-poky/documentation/ref-manual/ref-bitbake.xml
index 1de1148..2f36e16 100644
--- a/import-layers/yocto-poky/documentation/ref-manual/ref-bitbake.xml
+++ b/import-layers/yocto-poky/documentation/ref-manual/ref-bitbake.xml
@@ -414,7 +414,7 @@
   -l DEBUG_DOMAINS, --log-domains=DEBUG_DOMAINS
                         Show debug logging for the specified logging domains
   -P, --profile         Profile the command and save reports.
-  -u UI, --ui=UI        The user interface to use (e.g. knotty and depexp).
+  -u UI, --ui=UI        The user interface to use (e.g. knotty and taskexp).
   -t SERVERTYPE, --servertype=SERVERTYPE
                         Choose which server to use, process or xmlrpc.
   --revisions-changed   Set the exit code depending on whether upstream