Add support for building Insight instead of gdb (only for the cross-gdb).

/trunk/scripts/build/debug/300-gdb.sh | 62 55 7 0 ++++++++++++++++++++++++++++++++++++-----
/trunk/config/debug/gdb.in | 13 13 0 0 +++++++++
2 files changed, 68 insertions(+), 7 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