Refactor code formatting

lib/cmp_chunk.h

programs/cmp_io.c

programs/cmp_io.h

programs/cmp_tool.c

test/bench/bench.c

test/bench/benchfn.c

test/bench/leon3_grtimer_longcount.c

test/bench/timefn.c

test/cmp_data_types/test_cmp_data_types.c

test/cmp_decmp/test_cmp_decmp.c

test/cmp_entity/test_cmp_entity.c

test/cmp_icu/test_cmp_icu.c

test/cmp_tool/gen_test_data.c

test/decmp/test_decmp.c

test/fuzz/fuzz_compression.c

test/fuzz/fuzz_data_producer.c

test/fuzz/fuzz_decompression.c

test/fuzz/fuzz_helpers.c

test/fuzz/fuzz_round_trip.c

test/test_common/chunk_round_trip.c