Added all 23 pages - still missing images.
Added all 23 pages - still missing images.

Added remaining information - up to page 23 of original PDF

Signed-off-by: Robert Wolff <9cf4dabbe592e69f0cdb423c027ca34154087f91@linaro.org>
96boards/Starter_Kit_for_96Boards,96boards/Sensor_Mezzanine_Getting_Started,96boards/Starter_Kit_for_96Boards,96boards/Sensor_Mezzanine_Getting_Started