Merge pull request #20 from rackn/lshw-demidecode

feat: Create lshw handler for dmidecode failure

Merge pull request #19 from rackn/ppc64le-changes

feat: add ppc64le support for system info - stop gap - need something to fake dmidecode.

Add hypervisor detection based on DMI info.

This code mirrors what the latest version of systemd does.

Bump deps on Gohai, and make interface detection code compile for Win…

…dows

Note that we do not fill in all the information on Windows, we just
arrange for the code to not fail due to a missing syscall.

Bump godmi deps

Merge pull request #3 from rackn/find-dmi-scope

Update gohai to use updated godmi.