[ARM/CI] Use embedded rootfs for arm cross build
[ARM/CI] Use embedded rootfs for arm cross build

Signed-off-by: Hyung-Kyu Choi <b24f6a1d8ab6a697998e8a2c60eb031a02db5070@samsung.com>

rahku/corefx,nbarbettini/corefx,shimingsg/corefx,tijoytom/corefx,ptoonen/corefx,wtgodbe/corefx,yizhang82/corefx,cydhaselton/corefx,yizhang82/corefx,stephenmichaelf/corefx,marksmeltzer/corefx,rjxby/corefx,seanshpark/corefx,Jiayili1/corefx,seanshpark/corefx,richlander/corefx,seanshpark/corefx,stone-li/corefx,the-dwyer/corefx,ViktorHofer/corefx,weltkante/corefx,cydhaselton/corefx,weltkante/corefx,DnlHarvey/corefx,weltkante/corefx,Ermiar/corefx,YoupHulsebos/corefx,tijoytom/corefx,axelheer/corefx,jlin177/corefx,alexperovich/corefx,rjxby/corefx,MaggieTsang/corefx,zhenlan/corefx,ravimeda/corefx,mazong1123/corefx,shimingsg/corefx,YoupHulsebos/corefx,Jiayili1/corefx,MaggieTsang/corefx,jlin177/corefx,ptoonen/corefx,dhoehna/corefx,parjong/corefx,nchikanov/corefx,twsouthwick/corefx,jlin177/corefx,DnlHarvey/corefx,Jiayili1/corefx,krytarowski/corefx,BrennanConroy/corefx,YoupHulsebos/corefx,DnlHarvey/corefx,rahku/corefx,elijah6/corefx,mazong1123/corefx,elijah6/corefx,krytarowski/corefx,rahku/corefx,gkhanna79/corefx,elijah6/corefx,rjxby/corefx,stone-li/corefx,ericstj/corefx,twsouthwick/corefx,twsouthwick/corefx,Petermarcu/corefx,ravimeda/corefx,DnlHarvey/corefx,cydhaselton/corefx,alexperovich/corefx,weltkante/corefx,richlander/corefx,parjong/corefx,twsouthwick/corefx,alexperovich/corefx,JosephTremoulet/corefx,ptoonen/corefx,rubo/corefx,Jiayili1/corefx,Ermiar/corefx,the-dwyer/corefx,ViktorHofer/corefx,mazong1123/corefx,MaggieTsang/corefx,billwert/corefx,parjong/corefx,ptoonen/corefx,Petermarcu/corefx,marksmeltzer/corefx,gkhanna79/corefx,krk/corefx,DnlHarvey/corefx,rubo/corefx,fgreinacher/corefx,BrennanConroy/corefx,nbarbettini/corefx,YoupHulsebos/corefx,DnlHarvey/corefx,ericstj/corefx,seanshpark/corefx,Petermarcu/corefx,nchikanov/corefx,JosephTremoulet/corefx,cydhaselton/corefx,twsouthwick/corefx,JosephTremoulet/corefx,MaggieTsang/corefx,nchikanov/corefx,YoupHulsebos/corefx,the-dwyer/corefx,ptoonen/corefx,cydhaselton/corefx,jlin177/corefx,fgreinacher/corefx,shimingsg/corefx,ViktorHofer/corefx,elijah6/corefx,krk/corefx,fgreinacher/corefx,parjong/corefx,cydhaselton/corefx,ravimeda/corefx,billwert/corefx,krk/corefx,tijoytom/corefx,yizhang82/corefx,mmitche/corefx,gkhanna79/corefx,stephenmichaelf/corefx,seanshpark/corefx,jlin177/corefx,wtgodbe/corefx,YoupHulsebos/corefx,ViktorHofer/corefx,rahku/corefx,nchikanov/corefx,billwert/corefx,zhenlan/corefx,stephenmichaelf/corefx,zhenlan/corefx,dotnet-bot/corefx,seanshpark/corefx,MaggieTsang/corefx,JosephTremoulet/corefx,rjxby/corefx,rahku/corefx,ViktorHofer/corefx,twsouthwick/corefx,dotnet-bot/corefx,alexperovich/corefx,krytarowski/corefx,parjong/corefx,zhenlan/corefx,yizhang82/corefx,the-dwyer/corefx,ptoonen/corefx,DnlHarvey/corefx,stone-li/corefx,rjxby/corefx,ericstj/corefx,fgreinacher/corefx,tijoytom/corefx,weltkante/corefx,jlin177/corefx,stone-li/corefx,mmitche/corefx,rubo/corefx,yizhang82/corefx,billwert/corefx,krk/corefx,twsouthwick/corefx,parjong/corefx,shimingsg/corefx,Petermarcu/corefx,ericstj/corefx,stephenmichaelf/corefx,krk/corefx,krytarowski/corefx,weltkante/corefx,yizhang82/corefx,zhenlan/corefx,mazong1123/corefx,marksmeltzer/corefx,tijoytom/corefx,dhoehna/corefx,Petermarcu/corefx,mmitche/corefx,ravimeda/corefx,Petermarcu/corefx,MaggieTsang/corefx,dotnet-bot/corefx,parjong/corefx,Jiayili1/corefx,cydhaselton/corefx,dotnet-bot/corefx,richlander/corefx,seanshpark/corefx,ravimeda/corefx,marksmeltzer/corefx,krytarowski/corefx,mazong1123/corefx,tijoytom/corefx,krk/corefx,Ermiar/corefx,krytarowski/corefx,shimingsg/corefx,ptoonen/corefx,Ermiar/corefx,rubo/corefx,YoupHulsebos/corefx,dotnet-bot/corefx,axelheer/corefx,nbarbettini/corefx,axelheer/corefx,gkhanna79/corefx,billwert/corefx,stone-li/corefx,gkhanna79/corefx,BrennanConroy/corefx,dotnet-bot/corefx,mmitche/corefx,rahku/corefx,Ermiar/corefx,krytarowski/corefx,stephenmichaelf/corefx,gkhanna79/corefx,shimingsg/corefx,dhoehna/corefx,tijoytom/corefx,the-dwyer/corefx,ericstj/corefx,wtgodbe/corefx,ericstj/corefx,shimingsg/corefx,elijah6/corefx,axelheer/corefx,stephenmichaelf/corefx,ericstj/corefx,Ermiar/corefx,nbarbettini/corefx,nbarbettini/corefx,ravimeda/corefx,richlander/corefx,Jiayili1/corefx,wtgodbe/corefx,rjxby/corefx,MaggieTsang/corefx,elijah6/corefx,dhoehna/corefx,dhoehna/corefx,alexperovich/corefx,stephenmichaelf/corefx,dhoehna/corefx,ViktorHofer/corefx,billwert/corefx,elijah6/corefx,zhenlan/corefx,marksmeltzer/corefx,nbarbettini/corefx,mazong1123/corefx,wtgodbe/corefx,JosephTremoulet/corefx,weltkante/corefx,marksmeltzer/corefx,ViktorHofer/corefx,mmitche/corefx,nchikanov/corefx,krk/corefx,nchikanov/corefx,richlander/corefx,axelheer/corefx,nbarbettini/corefx,axelheer/corefx,stone-li/corefx,rahku/corefx,mmitche/corefx,dhoehna/corefx,mmitche/corefx,alexperovich/corefx,mazong1123/corefx,dotnet-bot/corefx,gkhanna79/corefx,rjxby/corefx,yizhang82/corefx,billwert/corefx,Ermiar/corefx,nchikanov/corefx,Jiayili1/corefx,the-dwyer/corefx,alexperovich/corefx,richlander/corefx,marksmeltzer/corefx,ravimeda/corefx,Petermarcu/corefx,rubo/corefx,richlander/corefx,wtgodbe/corefx,JosephTremoulet/corefx,stone-li/corefx,wtgodbe/corefx,zhenlan/corefx,JosephTremoulet/corefx,jlin177/corefx,the-dwyer/corefx