Add wip version of hardware bring-up page

This page was started as part of T6550, which was put on hold. Add this
page in a wip branch rather than it being part of the new site.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
2 jobs for wip/martyn/T6550 in 14 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Generate Html
failed test-html #684262
lightweight

00:00:14

 
  Generate Pdf
skipped test-pdf #684263
lightweight
 
Name Stage Failure
failed
test-html Generate Html
Building sites … WARN 2021/03/03 12:21:47 Page.URL is deprecated and will be removed in a future release. Use .Permalink or .RelPermalink. If what you want is the front matter URL value, use .Params.url
WARN 2021/03/03 12:21:47 Page.Hugo is deprecated and will be removed in a future release. Use the global hugo function.
ERROR 2021/03/03 12:21:47 [en] REF_NOT_FOUND: Ref "/guidelines/buildingpatchingandmaintainingtheapertiskernel.md": "/builds/docs/apertis-website/content/hardwarebringup.md:181:17": page not found
ERROR 2021/03/03 12:21:47 [en] REF_NOT_FOUND: Ref "/hardware_interfaces.md": "/builds/docs/apertis-website/content/hardwarebringup.md:183:36": page not found
ERROR 2021/03/03 12:21:47 [en] REF_NOT_FOUND: Ref "/guidelines/buildingpatchingandmaintainingtheapertiskernel.md": "/builds/docs/apertis-website/content/hardwarebringup.md:193:10": page not found
Total in 2877 ms
Error: Error building site: logged 3 error(s)
Cleaning up file based variables
ERROR: Job failed: exit code 255