cmake: Depend on libbsd if DPDK depends on it #597

Job	Run time
Test with DPDK enabled / test	22m 23s
Test with C++20 modules enabled / test	11m 38s
Test (clang++, C++20, debug) / test	16m 46s
Test (clang++, C++20, dev) / test	16m 5s
Test (clang++, C++20, release) / test	14m 35s
Test (clang++, C++23, debug) / test	16m 9s
Test (clang++, C++23, dev) / test	17m 20s
Test (clang++, C++23, release) / test	16m 13s
Test (g++, C++20, release) / test	15m 53s
Test (g++, C++23, debug) / test	19m 0s
Test (g++, C++20, debug) / test	18m 6s
Test (g++, C++23, dev) / test	11m 54s
Test (g++, C++20, dev) / test	11m 38s
Test (g++, C++23, release) / test	17m 14s
	3h 44m 54s

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