net/ipv4: Handle options relevantly

IPv4 header might come with options, unlike IPv6, these are not
encapsulated in option header but are fully part of the IPv4 header.

Zephyr must handles these. Now silently ignoring their content and
setting the cursor to the payload properly.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2 files changed