ipmr: do not call mr_mfc_uses_dev() for unres entries

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-21719 · Microsoft / collected KEV context

cve-program · CVE-2025-21719

• https://git.kernel.org/stable/c/71a0fcb68c0a5f3ec912b540cd5d72148e6ee5f1
• https://git.kernel.org/stable/c/53df27fd38f84bd3cd6b004eb4ff3c4903114f1d
• https://git.kernel.org/stable/c/547ef7e8cbb98f966c8719a3e15d4e078aaa9b47
• https://git.kernel.org/stable/c/57177c5f47a8da852f8d76cf6945cf803f8bb9e5
• https://git.kernel.org/stable/c/b379b3162ff55a70464c6a934ae9bf0497478a62
• https://git.kernel.org/stable/c/a099834a51ccf9bbba3de86a251b3433539abfde
• https://git.kernel.org/stable/c/26bb7d991f04eeef47dfad23e533834995c26f7a
• https://git.kernel.org/stable/c/15a901361ec3fb1c393f91880e1cbf24ec0a88bd

No related operational record is retained in the current change model.