kernel: generic: add 4.14 config option

When CGROUPS is enabled the new option CONFIG_CGROUP_NET_CLASSID is
selectable and not handled.
Add this option to the 4.14 kernel configuration.

Signed-off-by: Hans Dedecker <[email protected]>

Author: dedeckeh

target/linux/generic/config-4.14

@@ -729,6 +729,7 @@ CONFIG_CC_STACKPROTECTOR_NONE=y
 # CONFIG_CGROUPS is not set
 # CONFIG_CGROUP_BPF is not set
 # CONFIG_CGROUP_DEBUG is not set
+# CONFIG_CGROUP_NET_CLASSID is not set
 # CONFIG_CGROUP_NET_PRIO is not set
 # CONFIG_CGROUP_RDMA is not set
 # CONFIG_CHARGER_BQ2415X is not set