Merge branch 'tools-ynl-gen-fix-parse-multi-attr-enum-attribute'

Arkadiusz Kubalewski says:

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tools: ynl-gen: fix parse multi-attr enum attribute

Fix the issues with parsing enums in ynl.py script.
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Link: https://lore.kernel.org/r/20230725101642.267248-1-arkadiusz.kubalewski@intel.com


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