vboot/ui: return error if booting from internal failed

When booting from internal disk failed, return error and request
recovery. This behavior is consistent with legacy UIs, and is necessary
for FAFT firmware_CorruptBothKernelAB.dev to pass.

BRANCH=none
BUG=b:146399181, b:156880836
TEST=make runtests
TEST=firmware_CorruptBothKernelAB.dev passed on puff

Change-Id: Id927961ec7fa1788ddd817c133b5bc905b1e8335
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2213210
Reviewed-by: Joel Kitching <kitching@chromium.org>
1 file changed