Merge branch 'tools-ynl-fixes-for-the-page-pool-sample-and-the-generation-process'

Jakub Kicinski says:

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tools: ynl: fixes for the page-pool sample and the generation process

Minor fixes to the new sample and the Makefiles.
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Link: https://lore.kernel.org/r/20231129193622.2912353-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>