Fix building native gdb: download, extract, patch, build and install the ncurses library (that is needed by gdb)

/trunk/scripts/build/debug/300-gdb.sh | 46 42 4 0 +++++++++++++++++++++++++++++++++++++----
/trunk/config/debug/gdb.in | 26 25 1 0 ++++++++++++++++++++++-
2 files changed, 67 insertions(+), 5 deletions(-)

 comment "ARM specific options"

 config ARCH_ARM_EABI

     bool

     prompt "Use EABI (EXPERIMENTAL)"

     depends on EXPERIMENTAL

     default n

     help

       Set up the toolchain so that it generates EABI-compliant binaries.

 config ARCH_ABI

     default "aapcs" if ARCH_ARM_EABI