Merge tag 'x86_cleanups_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel...

Merge tag 'x86_cleanups_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cleanups from Borislav Petkov:

 - The mandatory pile of cleanups the cat drags in every merge window

* tag 'x86_cleanups_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Clean up whitespace in a20.c
  x86/mm: Delete disabled debug code
  x86/{boot,mtrr}: Remove unused function declarations
  x86/percpu: Use BIT_WORD() and BIT_MASK() macros
  x86/cpufeatures: Correct LKGS feature flag description
  x86/idtentry: Add missing '*' to kernel-doc lines