Summary
Add apply_patches option for the build packages script
Use case
Add 'apply_patches' key is set to True (default) in the package configuration
This allows skipping/applying patch application by 'build.py' for specific
packages when desired
Additional information
Implemented for the current https://github.com/vyos/vyos-build/commit/0f44fc7abe063a4f64628404547801a089455154