Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump',...

Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/header-fixes', 'x86/headers' and 'x86/minor-fixes' into x86/core