Supercard-API and cross toolchain random build

Arm-side is included in mips-side tarball.

• arm-side is built with last(up to buiild date) devkitARM/libnds
• cross toolchain(reports version 6.3.0) is built on 13.09.17 with crosstool-ng 1.23.0
  Built and tested (only) on Ubuntu 17.04 x86_64