Fix in-place-wiping failures when running on Oak

1. check machine type before copy files from lib/lib64
2. use which to find exec files instead of fixed path
3. add flashrom into tmp rootfs

TEST=Test in-place wiping on Oak and Paine.

Change-Id: Iff6ff66493e53c0ab8101f305b1f3db9e92b6ffe
Commit-Ready: Shun-Hsing Ou <>
Tested-by: Shun-Hsing Ou <>
Reviewed-by: Hung-Te Lin <>
Reviewed-by: Shun-Hsing Ou <>
Commit-Queue: Shun-Hsing Ou <>
1 file changed