am fc362609: (-s ours) Merge "add x86_64 kernel"

* commit 'fc36260946df8fd8a4527da1ed70f9743d2c7fc2':
  add x86_64 kernel
tree: 736f13ca8dbe95aef73f5b3e6988adc9205eebe5
  1. arm/
  2. arm64/
  3. kernel-toolchain/
  4. mips/
  5. mips64/
  6. x86/
  7. x86_64/
  8. build-kernel.sh