Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/x86

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/x86:
  x86: kill the old i386 and x86_64 directories
  x86: move i386 and x86_64 Kconfig files to x86 directory
  kconfig: small code refactoring in kconfig Makefile
  x86: unification of i386 and x86_64 Kconfig.debug
  x86: move defconfig files for i386 and x86_64 to x86
  x86: move i386 and x86_64 Makefiles to arch/x86