* configure.in: Add nds32 subdir.
* configure: Regenerated.
* nds32/configure.in: New.
* nds32/configure: New (autogenerated).
* nds32/{crt0.S,crt1.S}: New.
* nds32/Makefile.in: New.
* nds32/{syscall_argvlen.S,syscall_argv.S,
syscall_chdirS, syscall_chmod.S,
syscall_close.S,syscall_exit.S,syscall_extra.h, syscall_fstat.S,
syscall_getpid.S,syscall_gettimeofday.S,syscall_isatty.S,syscall_kill.S,
syscall_link.S,syscall_lseek.S,syscall_open.S,syscall_read.S,
syscall_rename.S,syscall_sbrk.S,syscall_stat.S,syscall_system.S,
syscall_time.S,syscall_times.S,syscall_unlink.S,syscall_utime.S,
syscall_write.S}: New.
bfin - Analog Devices Blackfin processor. sparc - Fujitsu Sparclite board. Works on the ex930, ex931, ex933 hp74x - Hewlett Packard HP742 board. Also some support for the hp743. m68hc11 - Motorola 68HC11 or 68HC12 support. m68k - Motorola MVME135 and IDP board. For CPU32 systems. mep - Toshiba Media Processor. pa - WinBond and Oki boards with a PA. mips - R3000 support. Array Tech LSI33k based RAID disk controller. lm32 - Lattice Mico32 simulator. epiphany - Adapteva Epiphany multicore processor.