[0.11.257.B] cherrypick: use crossystem for developer mode and nonchrome detection
Adds crossystem use for developer mode detection and nonchrome detection.
[This allows systems with missing or damaged TPMs or bad firmware to
go through recovery as nonchrome systems.]
(testing in progress)
TEST=create a devkeys x86-alex image, boot it and install it in both modes
same thing for x86-mario
boot x86-mario, goto a shell, run crossystem mainfw_act to ensure it never says nonchrome
again for a nonchrome system
BUG=chromium-os:13399,chromium-os:8762
Change-Id: I538fe37fbed29537132da15c844b75ce726634bf
Review URL: http://codereview.chromium.org/6724018
(cherry picked from commit 28966b0a8e746fd882fdd781d6a201d688dcde3d)
Review URL: http://codereview.chromium.org/6723023
1 file changed
