CDev extract from drivers Device class hierarchy

src/lib/CMakeLists.txt

src/lib/cdev/CDev.cpp

src/lib/cdev/CDev.hpp

src/lib/cdev/CMakeLists.txt

src/lib/cdev/nuttx/cdev_platform.cpp

src/lib/cdev/nuttx/cdev_platform.hpp

src/lib/cdev/posix/cdev_platform.cpp

src/lib/cdev/posix/cdev_platform.hpp

src/lib/cdev/posix/vfile.cpp

src/lib/cdev/posix/vfile.h

src/lib/drivers/device/CDev.cpp

src/lib/drivers/device/CDev.hpp

src/lib/drivers/device/CMakeLists.txt

src/lib/drivers/device/Device.hpp