iptables: add REDIRECT target

This is needed for http_bouncer.

b/22829200

Change-Id: I9c0897c954574ed2cd35920763c182a873dbddc7
diff --git a/arch/mips/configs/gfmn100_defconfig b/arch/mips/configs/gfmn100_defconfig
index 89302d8..713ffdf 100644
--- a/arch/mips/configs/gfmn100_defconfig
+++ b/arch/mips/configs/gfmn100_defconfig
@@ -87,6 +87,7 @@
 CONFIG_NF_CONNTRACK_IPV4=y
 CONFIG_IP_NF_IPTABLES=y
 CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
 CONFIG_IP_NF_TARGET_REJECT=y
 CONFIG_IP_NF_TARGET_LOG=y
 CONFIG_NF_NAT=y