The document currently uses large indentations which make the text too

wide for easy readability.  Also improve general consistency.
Signed-off-by: Frans Pop <elendil@planet.nl>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>