[submodule] update meta-oe-alliance
[submodule] oe-alliance update
[layers] update bitbake, meta-openembedded, openembedded-core
[submodule] update meta-oe-alliance
[layers] meta-openembedded, openembedded-core
[submodule] oe-alliance update
[submodule] oe-alliance update
[submodule] oe-alliance update
Merge remote-tracking branch 'upstream/2.1' into 2.1