- The driver package was split into bins, drivers, python2, python3
- Introduce some tracing regarding the switch chip reset
- Add watchdog during boot for DCS-7260CX3-64
1. _INSTALLS defines the packages to be installed in the image
at the build time.
2. _LAZY_INSTALLS defines the packages to be installed in the image
at the first run time
3. _DEPENDS defines the packages to at the build dependency of
the image