net: icmpv6: Add support for HBH and RPL option handling
net: icmpv6: Add support for HBH and RPL option handling

Add support for adding IPv6 extra header (HBH) with RPL options
in ICMPv6 echo reply.

Change-Id: Ibd0b96362a7d5a5f668a18d6a33e6917d37dc51c
Signed-off-by: Ravi kumar Veeramally <406c082aeb452858c41b213a757768e1c1dff29e@linux.intel.com>

fbsder/zephyr,fbsder/zephyr,fbsder/zephyr,fbsder/zephyr,fbsder/zephyr