msm: mobileap: Enable GRE configuration

CONFIG_IP_MULTICAST=y

CONFIG_IP_ADVANCED_ROUTER=y

CONFIG_IP_MULTIPLE_TABLES=y

CONFIG_NET_IPIP=y

CONFIG_NET_IPGRE_DEMUX=y

CONFIG_NET_IPGRE=y

CONFIG_NET_IPGRE_BROADCAST=y

CONFIG_IP_MROUTE=y

CONFIG_IP_MROUTE_MULTIPLE_TABLES=y

CONFIG_IP_PIMSM_V2=y

CONFIG_IPV6_GRE=y

CONFIG_IPV6_MULTIPLE_TABLES=y

CONFIG_IPV6_SUBTREES=y

CONFIG_IPV6_MROUTE=y

CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y

CONFIG_IPV6_PIMSM_V2=y

CONFIG_NETFILTER=y

CONFIG_BRIDGE_NETFILTER=y

CONFIG_NF_CONNTRACK=y

CONFIG_NF_CONNTRACK_MARK=y

CONFIG_NF_CONNTRACK_SECMARK=y

CONFIG_NETFILTER_NETLINK_GLUE_CT=y

CONFIG_NETFILTER_XTABLES=y

CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y

CONFIG_NETFILTER_XT_TARGET_DSCP=y

CONFIG_NETFILTER_XT_TARGET_LOG=y

CONFIG_NETFILTER_XT_TARGET_MARK=y

CONFIG_NETFILTER_XT_TARGET_NFLOG=y

CONFIG_NETFILTER_XT_MATCH_PHYSDEV=y

CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y

CONFIG_NETFILTER_XT_MATCH_STATE=y

CONFIG_NETFILTER_XT_MATCH_U32=y

CONFIG_IP_SET=y

CONFIG_IP_NF_IPTABLES=y

CONFIG_IP_NF_MATCH_AH=y

CONFIG_BRIDGE_EBT_DNAT=y

CONFIG_BRIDGE_EBT_SNAT=y

CONFIG_BRIDGE=y

CONFIG_BRIDGE_VLAN_FILTERING=y

CONFIG_VLAN_8021Q=y

CONFIG_NET_SCHED=y

CONFIG_NET_SCH_HTB=y