s390/zcrypt: fix reference counting on zcrypt card objects

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

CVE-2024-26957 · Microsoft / collected KEV context

cve-program · CVE-2024-26957

• https://git.kernel.org/stable/c/7e500849fa558879a1cde43f80c7c048c2437058
• https://git.kernel.org/stable/c/9daddee03de3f231012014dab8ab2b277a116a55
• https://git.kernel.org/stable/c/6470078ab3d8f222115e11c4ec67351f3031b3dd
• https://git.kernel.org/stable/c/a55677878b93e9ebc31f66d0e2fb93be5e7836a6
• https://git.kernel.org/stable/c/b7f6c3630eb3f103115ab0d7613588064f665d0d
• https://git.kernel.org/stable/c/a64ab862e84e3e698cd351a87cdb504c7fc575ca
• https://git.kernel.org/stable/c/befb7f889594d23e1b475720cf93efd2f77df000
• https://git.kernel.org/stable/c/394b6d8bbdf9ddee6d5bcf3e1f3e9f23eecd6484
• https://git.kernel.org/stable/c/50ed48c80fecbe17218afed4f8bed005c802976c

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