This reverts commit 577d01e9df.
Reason for revert: force vmx instructions to Coin level B virtual machine
Change-Id: I54a97fb6dc96315768c8047d487f1ed354ab4aac
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>
Build and cache docker images to VirtualBox virtual machine.
1. Download and install the docker tool kits and Apple Bonjour
2. Deploy boot2docker image into VirtualBox via docker-machine commands
3. Use Git Bash to run the shared provisioning scripts
4. Print CPU features to verify that CI has enabled VT-X/AMD-v support
5. Disable Hyper-V from Windows 10 Pro/Enterprise editions
Change-Id: I5520e4a28376aba14f880c077bd7b083be971f0a
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>