x86/mce: Rename mce_setup() to mce_prep_record()

x86/mce: Rename mce_setup() to mce_prep_record()

There is no MCE "setup" done in mce_setup(). Rather, this function initializes
and prepares an MCE record.

Rename the function to highlight what it does.

No functional change is intended.

Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Link: https://lore.kernel.org/r/20240730182958.4117158-2-yazen.ghannam@amd.com
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>