Having multiple top-level headings breaks sphinx-doc's TOC generation,
so adjust driver sub-pages to only have a single one. Adjust other
headings as needed to preseve page layout.
Change-Id: Ib8a334c73daefffafa779957cc8e47a9cad4a202
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67764
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
07192dc7f5
