CLSA-2026-1792162546 freeipmi: Fix of 3 CVEs

CVE-2026-85505: fix stack buffer over-read in ipmi-oem fujitsu get-sel-entry-long-text - CVE-2026-85506: fix stack buffer overflow in ipmi-oem dell get-system-info idrac-info - CVE-2026-85507: fix stack buffer overflow in ipmi-oem dell get-system-info cmc-info...