The download utils provide basic wrapper scripts to setup, sync
and build Qualcomm public yocto layers in Qualcomm Linux release. These
utils include following wrapper scripts

* check_config.sh script which can be used by user to check if required
basic host and git configuration is met

* sync_build script which can be used to sync, build Yocto
layers in Qualcomm Linux release

* docker_build script which can be used to create the docker image

* docker_run script which can be used to run the sync_build script
in the container

* Docker files added

Dockerfile_20.04 ( Work on 20.04 and 22.04 ubuntu versions )
Dockerfile_22.04 ( Work on 22.04.1 base onwards, 20.04 it needs >libseccomp.so.2.5.3 )

Change-Id: I8d000ac31e02af5280825ea45d1987f446a70c50