tests/driver_bmx280: add Makefile.ci
tests/driver_bmx280: add Makefile.ci

yogo1212/RIOT,kaspar030/RIOT,basilfx/RIOT,basilfx/RIOT,miri64/RIOT,basilfx/RIOT,mtausig/RIOT,RIOT-OS/RIOT,x3ro/RIOT,RIOT-OS/RIOT,smlng/RIOT,basilfx/RIOT,authmillenon/RIOT,jasonatran/RIOT,kaspar030/RIOT,OlegHahm/RIOT,x3ro/RIOT,jasonatran/RIOT,aeneby/RIOT,miri64/RIOT,miri64/RIOT,yogo1212/RIOT,kaspar030/RIOT,OTAkeys/RIOT,miri64/RIOT,authmillenon/RIOT,OlegHahm/RIOT,x3ro/RIOT,smlng/RIOT,jasonatran/RIOT,kYc0o/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,mtausig/RIOT,aeneby/RIOT,kaspar030/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,yogo1212/RIOT,authmillenon/RIOT,smlng/RIOT,jasonatran/RIOT,OTAkeys/RIOT,authmillenon/RIOT,josephnoir/RIOT,kYc0o/RIOT,josephnoir/RIOT,aeneby/RIOT,basilfx/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,ant9000/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,josephnoir/RIOT,RIOT-OS/RIOT,miri64/RIOT,toonst/RIOT,x3ro/RIOT,ant9000/RIOT,aeneby/RIOT,toonst/RIOT,kYc0o/RIOT,smlng/RIOT,x3ro/RIOT,ant9000/RIOT,josephnoir/RIOT,authmillenon/RIOT,aeneby/RIOT,mtausig/RIOT,ant9000/RIOT,yogo1212/RIOT,OTAkeys/RIOT,josephnoir/RIOT,yogo1212/RIOT,yogo1212/RIOT,toonst/RIOT,OlegHahm/RIOT,toonst/RIOT,smlng/RIOT,ant9000/RIOT,mtausig/RIOT,toonst/RIOT,authmillenon/RIOT,mtausig/RIOT