Create an initial version of libfdt fuzzer.

Test: SANITIZE_HOST=address m libfdt_fuzzer
Test: out/host/linux-x86/fuzz/x86_64/libfdt_fuzzer/libfdt_fuzzer

Bug: 217650981
Change-Id: Ib1e26fe0b8e8d3f94fc1c5455853d57ccf348d1c
2 files changed