x86_64: enable IPv6

Signed-off-by: Sergio Lopez <[email protected]>

config-libkrunfw_x86_64

@@ -901,6 +901,7 @@ CONFIG_XFRM=y
 CONFIG_XFRM_ALGO=y
 CONFIG_XFRM_USER=y
 # CONFIG_XFRM_USER_COMPAT is not set
+# CONFIG_XFRM_INTERFACE is not set
 CONFIG_XFRM_SUB_POLICY=y
 CONFIG_XFRM_MIGRATE=y
 CONFIG_XFRM_STATISTICS=y
@@ -942,7 +943,22 @@ CONFIG_DEFAULT_CUBIC=y
 # CONFIG_DEFAULT_RENO is not set
 CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_TCP_MD5SIG=y
-# CONFIG_IPV6 is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
+# CONFIG_IPV6_VTI is not set
+# CONFIG_IPV6_SIT is not set
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_IPV6_SEG6_LWTUNNEL is not set
+# CONFIG_IPV6_SEG6_HMAC is not set
+# CONFIG_IPV6_RPL_LWTUNNEL is not set
+# CONFIG_IPV6_IOAM6_LWTUNNEL is not set
 CONFIG_NETLABEL=y
 # CONFIG_MPTCP is not set
 CONFIG_NETWORK_SECMARK=y
@@ -964,6 +980,7 @@ CONFIG_NET_PTP_CLASSIFY=y
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
 # CONFIG_PHONET is not set
+# CONFIG_6LOWPAN is not set
 # CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set