CVE-2026-43345 net: ipa: fix event ring index not programmed for IPA v5.0+

In the Linux kernel, the following vulnerability has been resolved: net: ipa: fix event ring index not programmed for IPA v5.0+ For IPA v5.0+, the event ring index field moved from CHCCNTXT0 to CHCCNTXT1. The v5.0 register definition intended to define this field in the CHCCNTXT1 fmask array but...