Basic device configuration
Add the overlay system
* Add Empty default wallpaper files
Include libusb in the product packages
Add the TARGET_KERNEL_CONFIG directive
to point to the kernel configuration file in the device directory
buildspec.mk file example
* To be copied at the root folder of the android project
* Requires to replace the <changeme> fields to work properly
Include turretctl in the product packages
Add 'nohardwaregfx' product property