Don't set the toolchain here to hardfloat toolchain :
"TARGET_TOOLS_PREFIX=/work/arndale-octa-linaro/gcc-linaro-arm-linux-gnueabihf-4.8-2014.02_linux/bin/arm-linux-gnueabihf-"

Please look at it below:

TARGET_TOOLS_PREFIX=prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8-linaro/bin/arm-linux-androideabi-