CLSA-2024-1719568519 Fix of 6 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-2201 - x86/cpufeatures: Add new word for scattered features - x86/cpufeatures: Add CPUIDLNX5 to track recently added Linux-defined word - x86/bugs: Change commas to semicolons in 'spectrev2' sysfs file - x86/bhi: Add support for clearing branch histor...