apply rancher TCMU patches on top of Ubuntu-4.2.0-28.33

scripts/build-kernel

@@ -12,22 +12,7 @@ KERNEL=$(basename ${KERNEL_URL})
 DIR=${KERNEL/.tar.*//}
 FIRMWARE=$(readlink -f scripts/firmware)
 
-mkdir -p ${BUILD}
-cd ${BUILD}
-
-if [ ! -e ${DIR} ]; then
-    echo Extracting ${ARTIFACTS}/${KERNEL}
-    TEMP=$(mktemp -d -p ${BUILD})
-    mkdir ${TEMP}/${DIR}
-    trap "rm -rf ${TEMP}" exit
-
-    tar xf ${ARTIFACTS}/${KERNEL} -C ${TEMP}/${DIR} --strip-components=1
-    mv ${TEMP}/${DIR} ${DIR}
-fi
-
-
-cd ${DIR}
-cp ${CONFIG}/kernel-config .config
+cd ${BUILD}/${DIR}
 
 # TODO update config/kernel-config for the latest kernel
 make oldconfig