add support to LWIP_HOOK_UNKNOWN_ETH_PROTOCOL_CALLBACK (IDFGH-4542)#7

yanzixiang wants to merge 1 commit intoespressif:2.0.3-espespressif/esp-lwip:2.0.3-espfrom

yanzixiang:LWIP_HOOK_UNKNOWN_ETH_PROTOCOL_CALLBACKyanzixiang/esp-lwip:LWIP_HOOK_UNKNOWN_ETH_PROTOCOL_CALLBACKCopy head branch name to clipboard