found some references to files (via :zephyr_file: and :zephyr-app:) that
were moved, so the links were broken
Fixes: #19660
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
Fix misspellings and doc issues missed during regular reviews (including
some files without a trailing newline)
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>