Add mips64 kernel

This is to support 64bit mips CPU.
Built with following command:
${ANDROID_BUILD_TOP}/external/qemu/distrib/build-kernel.sh --arch=mips64 --gcc-version=4.9

Change-Id: I045511bb5be8b127afab797ea029fce859e45467
3 files changed
tree: 6c087cdd7ac0c425cc336054db59bc95985c94c0
  1. arm/
  2. arm64/
  3. mips/
  4. mips64/
  5. x86/
  6. x86_64/