update submodules. (bitbake, meta-oe, oe-core)

[vuplus_openvuplus_3.0] / openembedded-core

diff --git a/openembedded-core b/openembedded-core
index 219e793..8d0e56a 160000 (submodule)
--- a/openembedded-core
+++ b/openembedded-core
@@ -1 +1 @@
-Subproject commit 219e793907406eabf632e784e3a11ab9acb77cfb
+Subproject commit 8d0e56a850579f9a6d501266deeef9b257ce4780