Update CHANGELOG.md #2100

Job	Run time
check-control-registers	21s
check-opcodes	4s
tc-gcc	24s
riscv-isa-sim	9s
tc-llvm	47s
verilator	11s
verilator-model (minpool)	6s
verilator-model (mempool)	6s
build-apps-gcc (minpool)	56s
check-bootrom	8s
build-apps-gcc (mempool)	1m 5s
unit-test	2m 5s
tc-halide	13s
build-apps-llvm (minpool)	54s
build-apps-llvm (mempool)	53s
build-apps-halide (minpool)	1m 16s
build-apps-halide (mempool)	1m 13s
run-apps-gcc	0s
run-apps-llvm	0s
run-apps-halide (minpool)	36s
run-apps-halide (mempool)	3m 0s
clean-up	2s
clean-up-compile-runs (minpool)	2s
clean-up-compile-runs (mempool)	2s
	14m 33s

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