CVE-2023-53474 x86/MCE/AMD: Use an u64 for bank_map

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Use an u64 for bankmap Thee maximum number of MCA banks is 64 MAXNRBANKS, see a0bc32b3cacf "x86/mce: Increase maximum number of banks to 64". However, the bankmap which contains a bitfield of which banks to initializ...