Fix boot regression on some ppc systems due recent IOMMU/DMA backport

Herton R. Krzesinskirequested to merge
hertonrk-rh/centos-stream-9:bz2025186 into main

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2025186

This is a cherry-pick of a single fix from Linux upstream that fixes a boot regression on some ppc systems.

I manually verified it fixes the problem.

Signed-off-by: Herton R. Krzesinski herton@redhat.com

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