Make bare-metal a kernel selection.

/trunk/config/kernel.in | 22 14 8 0 ++++++++++++++--------
/trunk/config/target.in | 13 0 13 0 -------------
2 files changed, 14 insertions(+), 21 deletions(-)

# x86 specific options

config ARCH_x86

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86 architecture, as defined by:

        http://www.intel.com/