Allow override of macros in core_version.h (#5268)
Allow override of macros in core_version.h (#5268)


esp8266/Arduino,Lan-Hekary/Arduino,sticilface/Arduino,sticilface/Arduino,Lan-Hekary/Arduino,Lan-Hekary/Arduino,esp8266/Arduino,esp8266/Arduino,sticilface/Arduino,Lan-Hekary/Arduino,esp8266/Arduino,sticilface/Arduino,sticilface/Arduino,esp8266/Arduino,Lan-Hekary/Arduino