Revert "gcc 4.9 linaro toolchain from  Cl3Kener"

This reverts commit b8d131de3e2c0e0de1aba0e24f6048880206dd30.
Revert "Makefile:-mfpu=neon -fgraphite -mtune=cortex_a8"

This reverts commit e9177e17ca99d5f88db7fb77c866ddd74c43bb17.