build: Rework installing in reaper.mk
build: Rework installing in reaper.mk

Just make sure that the thing is copied to every flavor's ACI rootfs
directory.

yifan-gu/rkt,kinvolk/rkt,sinfomicien/rkt,jzelinskie/rkt,jakon89/rkt,lucasallan/rkt,mike1729/rkt,tmrts/rkt,kbrwn/rkt,shobhit85/rkt,linki/rkt,joshix/rkt,sinfomicien/rkt,krnowak/rkt,matthaias/rkt,lucasallan/rkt,lucasallan/rkt,jzelinskie/rkt,kinvolk/rkt,mike1729/rkt,joshix/rkt,adfernandes/rkt,matthaias/rkt,markllama/rkt,liugenping/rkt,akshaykarle/rkt,yifan-gu/rocket,adfernandes/rkt,monstermunchkin/rkt,liugenping/rkt,intelsdi-x/rkt,kbrwn/rkt,Shashwatsh/rkt,ybubnov/rkt,jonboulle/rkt,nhlfr/rkt,euank/rkt,rkt/rkt,rkt/rkt,achanda/rkt,joshix/rkt,jasonchaffee/rkt,jjlakis/rkt,s-urbaniak/rkt,il9ue/rkt,yifan-gu/rkt,rkt/rkt,Wilybald/rkt,Wilybald/rkt,alban/rkt,dgonyeo/rkt,shobhit85/rkt,dgonyeo/rkt,sinfomicien/rkt,il9ue/rkt,monstermunchkin/rkt,liugenping/rkt,cab105/rkt,Wilybald/rkt,linki/rkt,akshaykarle/rkt,euank/rkt,Wilybald/rkt,achanda/rkt,sgotti/rkt,il9ue/rkt,rkt/rkt,achanda/rkt,coreos/rkt,lucasallan/rkt,cab105/rkt,blixtra/rkt,matthaias/rkt,mike1729/rkt,shobhit85/rkt,squeed/rkt,kinvolk/rkt,jzelinskie/rkt,coreos/rkt,kinvolk/rkt,blixtra/rkt,kbrwn/rkt,ybubnov/rkt,yifan-gu/rkt,jakon89/rkt,krnowak/rkt,tmrts/rkt,sgotti/rkt,sstabellini/rkt,tmrts/rkt,endocode/rkt,squeed/rkt,jonboulle/rkt,s-urbaniak/rkt,dgonyeo/rkt,blixtra/rkt,euank/rkt,intelsdi-x/rkt,krnowak/rkt,jakon89/rkt,ybubnov/rkt,jjlakis/rkt,jasonchaffee/rkt,alban/rkt,joshix/rkt,s-urbaniak/rkt,monstermunchkin/rkt,jasonchaffee/rkt,markllama/rkt,nhlfr/rkt,jjlakis/rkt,jonboulle/rkt,linki/rkt,akshaykarle/rkt,nhlfr/rkt,sgotti/rkt,markllama/rkt,Shashwatsh/rkt,cab105/rkt,yifan-gu/rocket,coreos/rkt,endocode/rkt,sstabellini/rkt,Shashwatsh/rkt,alban/rkt,sstabellini/rkt,yifan-gu/rocket,intelsdi-x/rkt,endocode/rkt,adfernandes/rkt,squeed/rkt