config: Make sure nf_tables.ko is built

Need to enable netfilter in general to get to nf_tables. And use
unadvanced build so that the common extensions default to modules. We
don't need anything fancy for bpftrace.

Author: danobi

config/config

@@ -26,6 +26,8 @@ CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULES=y
 CONFIG_MODVERSIONS=y
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_ADVANCED=n
 CONFIG_NF_TABLES=m
 CONFIG_SECURITY=y
 CONFIG_SECURITYFS=y