Merge branch 'master' of git://git.denx.de/u-boot-x86

* 'master' of git://git.denx.de/u-boot-x86:
  x86: Fix a compiler warning in arch/x86/lib/realmode.c
  x86: Remove the prototype for the unused function board_init
  x86: Rename include/asm/ic to include/asm/arch-sc520
  x86: turn off cache: set control register properly