Cherry-pick: ARM: enable kernel signing by default

This commit is a part of transition to enable ARM kernel signing. It is
at first an option that is enabled manually, and then (in this commit)
enabled by default. After more tests, the scripts that generate unsigned
ARM kernel partition will probably be removed.

BUG=chromium-os:12352
TEST=./build_image && load_kernel_test -b 2 /path/to/chromiumos_image.bin /usr/share/vboot/devkeys/recovery_key.vbpubk

Change-Id: I5dd1ff2e02f27642742b0606e1b8ab3fc5d4bf6d
Tested-by: Che-Liang Chiou <clchiou@chromium.org>
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/914
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
4 files changed
tree: c861871c82342e54b219c75abd403bba3f8be02d
  1. bin/
  2. bootperf-bin/
  3. chroot_upgrade.d/
  4. lib/
  5. mod_for_factory_scripts/
  6. mod_for_test_scripts/
  7. .gitignore
  8. archive_build.sh
  9. archive_hwqual
  10. bash_completion
  11. build_gpt.sh
  12. build_image
  13. build_kernel_image.sh
  14. call_autoserv.py
  15. check_control_files.sh
  16. check_deps
  17. chromeos_blacklist
  18. clean_loopback_devices
  19. common.sh
  20. create_esp.sh
  21. create_legacy_bootloader_templates.sh
  22. cros_deps_diff
  23. cros_download_latest_image
  24. cros_generate_breakpad_symbols
  25. cros_generate_deps_graphs
  26. cros_show_stacks
  27. cros_upgrade_chroot
  28. dot_helper.py
  29. emit_gpt_scripts.sh
  30. enable_localaccount.sh
  31. enter_chroot.sh
  32. file_copy.py
  33. fixup_image_for_qemu.py
  34. generate_au_zip.py
  35. get_latest_image.sh
  36. get_package_list
  37. image_to_usb.sh
  38. image_to_vm.sh
  39. inherit-review-settings-ok
  40. make_developer_script_runner.sh
  41. make_factory_package.sh
  42. mk_memento_images.sh
  43. mod_image_for_recovery.sh
  44. mod_image_for_test.sh
  45. mount_gpt_image.sh
  46. pushimage
  47. remote_access.sh
  48. resize_stateful_partition.sh
  49. serve_factory_packages.py
  50. set_shared_user_password.sh
  51. ssh_test.sh
  52. start_devserver
  53. test_build_root
  54. test_image
  55. update_bootloaders.sh
  56. update_chroot
  57. update_kernel.sh
  58. upload_symbols
  59. verify_rootfs_chksum.sh
  60. WATCHLISTS