Pull misc x86 updates from Borislav Petkov:

 - Add a x86 hw vulnerabilities section to MAINTAINERS so that the folks
   involved in it can get CCed on patches

 - Add some more CPUID leafs to the kcpuid tool and extend its
   functionality to be more useful when grepping for CPUID bits

* tag 'x86_misc_for_v6.4_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  MAINTAINERS: Add x86 hardware vulnerabilities section
  tools/x86/kcpuid: Dump the CPUID function in detailed view
  tools/x86/kcpuid: Update AMD leaf Fn80000001
  tools/x86/kcpuid: Fix avx512bw and avx512lvl fields in Fn00000007