Add netfilter and QoS config options to fix tethering

CONFIG_IP_NF_ARP_MANGLE=y

CONFIG_NF_CONNTRACK_IPV6=y

CONFIG_IP6_NF_IPTABLES=y

CONFIG_IP6_NF_MATCH_AH=y

CONFIG_IP6_NF_MATCH_EUI64=y

CONFIG_IP6_NF_MATCH_FRAG=y

CONFIG_IP6_NF_MATCH_OPTS=y

CONFIG_IP6_NF_MATCH_HL=y

CONFIG_IP6_NF_MATCH_IPV6HEADER=y

CONFIG_IP6_NF_MATCH_MH=y

CONFIG_IP6_NF_MATCH_RPFILTER=y

CONFIG_IP6_NF_MATCH_RT=y

CONFIG_IP6_NF_TARGET_HL=y

CONFIG_IP6_NF_FILTER=y

CONFIG_IP6_NF_TARGET_REJECT=y

CONFIG_IP6_NF_MANGLE=y

CONFIG_IP6_NF_RAW=y

CONFIG_PHONET=y

CONFIG_NET_SCHED=y

CONFIG_NET_SCH_CBQ=y

CONFIG_NET_SCH_HTB=y

CONFIG_NET_SCH_HFSC=y

CONFIG_NET_SCH_PRIO=y

CONFIG_NET_SCH_SFQ=y

CONFIG_NET_SCH_DSMARK=y

CONFIG_NET_SCH_FQ_CODEL=y

CONFIG_NET_SCH_INGRESS=y

CONFIG_NET_CLS_BASIC=y

CONFIG_NET_CLS_FW=y

CONFIG_NET_CLS_U32=y

CONFIG_NET_EMATCH=y

CONFIG_NET_EMATCH_U32=y

CONFIG_NET_ACT_POLICE=y

CONFIG_NET_ACT_GACT=y

CONFIG_NET_ACT_MIRRED=y

CONFIG_NET_ACT_IPT=y

CONFIG_BT=y

CONFIG_BT_HIDP=y

CONFIG_BT_BCM4358=y

CONFIG_BLK_DEV_DM=y

CONFIG_DM_CRYPT=y

CONFIG_NETDEVICES=y

CONFIG_IFB=y

CONFIG_TUN=y

CONFIG_PPP=y

CONFIG_PPP_BSDCOMP=y