defconfig: Enable ESP match target

Configuration change to enable ESP match target in iptables to
provide the ability to match packets based on the SPI (Security
Parameters Index) value in the ESP (Encapsulating Security Payload)
header.

CRs-Fixed: 700799
Change-Id: Iee635760d79946c480342d30e73d44f9756c0324
Acked-by: Sireesh Gavini <sgavini@qti.qualcomm.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
net: ipv6: Don't purge default router if accept_ra=2

Setting net.ipv6.conf.<interface>.accept_ra=2 causes the kernel
to accept RAs even when forwarding is enabled. However, enabling
forwarding purges all default routes on the system, breaking
connectivity until the next RA is received. Fix this by not
purging default routes on interfaces that have accept_ra=2.

Change-Id: Icda010467c030b11f2cc91fac8d1331b6e9fc370
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
CRs-Fixed: 646636
Signed-off-by: Harout Hedeshian <harouth@codeaurora.org>
Merge "net: ipv6: Don't purge default router if accept_ra=2"
Merge "defconfig: Enable ESP match target"