cros_mark_all_as_stable: mark packages for all architectures, always
cros_mark_all_as_stable: mark packages for all architectures, always

Change-Id: I415f089bc253c1ff9919451cf62c11a27a0bcf6d

BUG=6507
TEST=run cros_mark_all_as_stable and see the three previously ignored packages being uprevved

Review URL: http://codereview.chromium.org/3372002

gtank/scripts,nicescale/scripts,BugRoger/scripts,glevand/coreos--scripts,trnubo/scripts,andrejro/coreos--scripts,smilart/scripts,mjg59/scripts,crawford/scripts,mischief/scripts,endocode/scripts,BugRoger/scripts,glevand/coreos--scripts,fivethreeo/scripts,marineam/coreos-scripts,zhang0137/scripts,andrejro/coreos--scripts,mischief/scripts,sigma/coreos-scripts,zhang0137/scripts,coreos/scripts,fivethreeo/scripts,sigma/coreos-scripts,zhang0137/scripts,trnubo/scripts,bcwaldon/coreos-scripts,smilart/scripts,vmware/coreos-scripts,mjg59/scripts,crawford/scripts,bcwaldon/coreos-scripts,gtank/scripts,vmware/coreos-scripts,andrejro/coreos--scripts,endocode/scripts,smilart/scripts,marineam/coreos-scripts,mischief/scripts,BugRoger/scripts,endocode/scripts,trnubo/scripts,bcwaldon/coreos-scripts,marineam/coreos-scripts,fivethreeo/scripts,sigma/coreos-scripts,nicescale/scripts,nicescale/scripts,gtank/scripts,coreos/scripts,vmware/coreos-scripts,crawford/scripts,mjg59/scripts