Backport #969 from trunk:
Rebuild the kconfig stuff on kconfig source change.

/branches/1.2/kconfig/kconfig.mk | 14 12 2 0 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

# ia64 specific config options

config ARCH_ia64

    select ARCH_SUPPORTS_BOTH_ENDIAN

    help

      The ia64 architecture, as defined by:

        http://www.intel.com/design/itanium/arch_spec.htm