* fix ip timers unit tests
* fix FreeRTOS_IP_Utils_DiffConfig_utest tests
* fixed FreeRTOS_IP_Utils_utest
* fix dns cache unit test
* wip arp utests
* fixing arp unit tests
* fix dhcp errors
* clearing structs before usage
* fix dns parser seg fault
* fix dns parser seg fault in unit test
* fix arp uunit tests
* fix arp unit tests
* fixing dns unit test and updating the CBMC proofs
* fixing udp unit tests
* fixing TCP IP unit tests
* fixing TCP IP diffconfig unit tests
* adding additional header file for ARP for declaring missing stub headers
* minor fix
* Uncrustify: triggered by comment
* fixing comments
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Co-authored-by: GitHub Action <action@github.com>