Merge branch 'tools-net-ynl-add-features-for-tc-family'

Donald Hunter says:

====================
tools/net/ynl: Add features for tc family

Add features to ynl for tc and update the tc spec to use them.

Patch 1 adds an option to output json instead of python pretty printing.
Patch 2, 3 adds support and docs for sub-messages in nested attribute
spaces that reference keys from a parent space.
Patches 4 and 7-9 refactor ynl in support of nested struct definitions
Patch 5 implements sub-message encoding for write ops.
Patch 6 adds logic to set default zero values for binary blobs
Patches 10, 11 adds support and docs for nested struct definitions
Patch 12 updates the ynl doc generator to include type information for
struct members.
Patch 13 updates the tc spec - still a work in progress but more complete
====================

Link: https://lore.kernel.org/r/20240129223458.52046-1-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>