Merge branch 'tools-ynl-gen-lift-type-requirement-for-attribute-subsets'

Jiri Pirko says:

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tools: ynl-gen: lift type requirement for attribute subsets

Remove the requirement from schema files to specify the "type" for
attribute subsets and adjust existing schema files.
====================

Link: https://lore.kernel.org/r/20231006114436.1725425-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>