[software] Add Makefile targets for the new tests folder #1306

Job	Run time
tc-llvm	4m 8s
verilator	18s
check-opcodes	4s
tc-gcc	2m 8s
riscv-isa-sim	11s
verilator-model (minpool)	6s
verilator-model (mempool)	11s
check-bootrom	1m 10s
unit-test	2m 11s
build-apps-omp (minpool)	40s
build-apps-gcc (minpool)	51s
build-apps-omp (mempool)	31s
build-apps-gcc (mempool)	55s
run-apps-gcc (minpool)	23s
run-apps-gcc (mempool)	1m 33s
tc-halide	13s
build-apps-llvm (minpool)	1m 3s
build-apps-llvm (mempool)	1m 10s
build-apps-halide (minpool)	1m 7s
build-apps-halide (mempool)	58s
run-apps-llvm (minpool)	26s
run-apps-llvm (mempool)	1m 35s
run-apps-halide (minpool)	26s
run-apps-halide (mempool)	1m 44s
clean-up-compile-runs (minpool)	2s
clean-up-compile-runs (mempool)	2s
clean-up	5s
	24m 11s

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