fix factory scripts based on nvrm changes
fix factory scripts based on nvrm changes

Change-Id: Iaa0d1d8325894d3e300275bab99a04e4f83ec9b4

BUG=chromium-os:13971
TEST=Run mod_image_for_test -f, make sure it doesn't break.

Review URL: http://codereview.chromium.org/6826001

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