The lshw output is huge even on virtual machines, and it pollutes
the debug logging. This change silences it. Instead, the lshw output
is collected as part of the ramdisk logs.
Depends-On: https://review.opendev.org/#/c/665635/
Change-Id: I6a3015b2d8d09f6f48b5cbd39dc84bd75b72f909