dt-bindings: vendor-prefixes: document Saef Technology

Document Saef Technology (https://www.saefdisplay.com/

).

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230828181941.1609894-2-macroalpha82@gmail.com


Signed-off-by: Rob Herring <robh@kernel.org>