pkg/local.mk: Add FORCE target to .PHONY
pkg/local.mk: Add FORCE target to .PHONY

authmillenon/RIOT,RIOT-OS/RIOT,miri64/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,kaspar030/RIOT,basilfx/RIOT,basilfx/RIOT,jasonatran/RIOT,jasonatran/RIOT,smlng/RIOT,miri64/RIOT,yogo1212/RIOT,basilfx/RIOT,kaspar030/RIOT,kaspar030/RIOT,smlng/RIOT,OTAkeys/RIOT,jasonatran/RIOT,authmillenon/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,kaspar030/RIOT,ant9000/RIOT,RIOT-OS/RIOT,ant9000/RIOT,kYc0o/RIOT,miri64/RIOT,yogo1212/RIOT,basilfx/RIOT,OlegHahm/RIOT,basilfx/RIOT,jasonatran/RIOT,yogo1212/RIOT,OlegHahm/RIOT,jasonatran/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,kYc0o/RIOT,smlng/RIOT,yogo1212/RIOT,kYc0o/RIOT,ant9000/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,kYc0o/RIOT,OlegHahm/RIOT,kYc0o/RIOT,yogo1212/RIOT,authmillenon/RIOT,OTAkeys/RIOT,smlng/RIOT,miri64/RIOT,authmillenon/RIOT,ant9000/RIOT,yogo1212/RIOT,ant9000/RIOT,smlng/RIOT,miri64/RIOT