This is the linaro toolchain needed to compile my kernel
git clone this repo in $HOME_DIRECTORY/android/system/prebuilt/linux-x86/toolchain
e.g.
cd ~/ cd android/system/prebuilt/linux-x86/toolchain git clone git://github.com/Albinoman887/linaro.git
Then just make sure in your BoardConfig.mk your hare TARGET_KERNEL_CUSTOM_TOOLCHAIN := linaro