tools: ynl: add display-hint support to ynl

Add support to the ynl tool for rendering output based on display-hint
properties.

Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230623201928.14275-3-donald.hunter@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>