default.xml: Add meta-virtualization layer

Oniro relies on this layer for containers support.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

manifests/default.xml

@@ -39,6 +39,7 @@ SPDX-FileCopyrightText: Huawei Inc.
 	<project name="meta-arm" remote="yocto" revision="78fce73c3803aba82149a3a03fde1b708f5424fa" path="meta-arm" />
 	<project name="meta-java" remote="yocto" revision="1a8059f6b257ebe6fcae6416e499784d976afd24" path="meta-java" />
 	<project name="jiazhang0/meta-secure-core" remote="github" revision="d0a02859719f1a2c6b98d9d9afe785ec8535ec32" path="meta-secure-core" />
+	<project name="meta-virtualization" remote="yocto" revision="90f42b34fd79ae37c4395da11f31a96ad4aeff97" path="meta-virtualization" />
 
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 		All entries above are pinned to a specific revision and updated manually.