[tests] adds some more DEPS directive and %{dep:file}

tests/cil/cpu_a.c

tests/cil/cpu_b.c

tests/cil/merge.c

tests/cil/merge2.c

tests/float/absorb.c

tests/idct/ieee_1180_1990.c

tests/journal/control.i

tests/libc/fc_libc.c

tests/misc/bts0990_link.i

tests/misc/cpp-extra-args-per-file1.c

tests/misc/custom_machdep.c

tests/misc/mergestruct2.i

tests/misc/my_visitor.c

tests/misc/pragma-pack.c

tests/slicing/adpcm.c

tests/slicing/min_call.c

tests/slicing/select_simple.c

tests/slicing/variadic.c

tests/spec/axiom_included.c

tests/spec/merge_bts938.c