Move -crypto-trait in with -consts & related cleanups #532

Job	Run time
check-style	10s
unit-tests (edhoc-crypto/hacspec, ead-none)	43s
unit-tests (edhoc-crypto/hacspec, ead-zeroconf)	44s
unit-tests (edhoc-crypto/psa, ead-none)	51s
unit-tests (edhoc-crypto/psa, ead-zeroconf)	43s
unit-tests (edhoc-crypto/rustcrypto, ead-none)	27s
unit-tests (edhoc-crypto/rustcrypto, ead-zeroconf)	26s
build-static-lib-and-headers (crypto-psa-baremetal)	47s
run-example-on-qemu (crypto-psa, ead-none)	1m 32s
build-coap-example	55s
build-static-lib-and-headers (crypto-cryptocell310)	52s
run-example-on-qemu (crypto-psa, ead-zeroconf)	1m 29s
build-edhoc-package (edhoc-crypto/hacspec, ead-none)	1m 26s
build-edhoc-package (edhoc-crypto/hacspec, ead-zeroconf)	1m 23s
build-example-for-cortex-m4 (crypto-psa, ead-none)	1m 22s
generate-fstar	0s
build-edhoc-package (edhoc-crypto/psa, ead-none)	1m 17s
build-example-for-cortex-m4 (crypto-psa, ead-zeroconf)	1m 32s
build-example-for-cortex-m4 (crypto-cryptocell310, ead-none)	1m 10s
build-edhoc-package (edhoc-crypto/psa, ead-zeroconf)	1m 40s
build-example-for-cortex-m4 (crypto-cryptocell310, ead-zeroconf)	1m 21s
build-edhoc-package (edhoc-crypto/psa-baremetal, ead-none)	1m 10s
build-edhoc-package (edhoc-crypto/psa-baremetal, ead-zeroconf)	1m 10s
build-edhoc-package (edhoc-crypto/cryptocell310, ead-none)	59s
build-edhoc-package (edhoc-crypto/cryptocell310, ead-zeroconf)	1m 23s
build-edhoc-package (edhoc-crypto/rustcrypto, ead-none)	50s
build-edhoc-package (edhoc-crypto/rustcrypto, ead-zeroconf)	1m 11s
release	0s
	27m 33s

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