config: gcc: Bump to Linaro GCC 4.8-2014.11 and 4.9-2014.11
contrib: Move patches for Linaro GCC 4.8-2014.11
contrib: Move patches for Linaro GCC 4.9-2014.11
samples: Update configurations for Linaro GCC 4.8-2014.11
samples: Update configurations for Linaro GCC 4.9-2014.11