Add check for the {n,}curses library.
Add check for readlink, needed to check for libraries.

-------- diffstat follows --------
/trunk/configure | 15 14 1 0 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

 # 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/