Enable ip6table_mangle and ip6table_nat in 5.10

Enable configs CONFIG_IP6_NF_MANGLE and
CONFIG_IP6_NF_NAT as module in 5.10 for x86 and arm.

BUG=b/184087614
TEST=Presubmit and manually verify configs set in image
RELEASE_NOTE=Enable ip6table_mangle and ip6table_nat

Change-Id: I12ce947201b9922d19e4c7d3885de6b0aeb52940
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/15477
Reviewed-by: Roy Yang <royyang@google.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
3 files changed