bb61953962
Resolves Sphinx unexpected indentation warning when compiling documentation (e.g. `make htmldocs`). Replaces tabs with spaces and adds a literal block to keep vertical formatting of the example power state list. Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> (v2) Acked-by: Randy Dunlap <rdunlap@infradead.org> (v2) Signed-off-by: Hunter Chasens <hunter.chasens18@ncf.edu> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>