Merge "build-kernel: Upgrade GCC version to 4.9" am: 25eb01b3f7
am: 80ce037d0a

* commit '80ce037d0abbdf318e0c62e2f84d3acbee7f56e6':
  build-kernel: Upgrade GCC version to 4.9
tree: f9af96e24770665691ff84a4c5db421d1ee585f9
  1. arm/
  2. arm64/
  3. kernel-toolchain/
  4. mips/
  5. mips64/
  6. x86/
  7. x86_64/
  8. build-kernel.sh