Simplify the mirror settings.

-------- diffstat follows --------
/trunk/scripts/functions | 7 3 4 0 ++---
/trunk/config/global/download.in | 60 14 46 0 +++++++++++-----------------------------------
2 files changed, 17 insertions(+), 50 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/