version library add ECL

CMakeLists.txt

src/lib/version/CMakeLists.txt

src/lib/version/px_update_git_header.py

src/lib/version/version.c

src/lib/version/version.h

src/modules/logger/logger.cpp

src/modules/mavlink/CMakeLists.txt

src/systemcmds/hardfault_log/CMakeLists.txt