Add support for DH type specific SPKI decoder #697

Job	Run time
build_wolfprovider (master, openssl-3.5.0) / Build wolfProvider	1m 22s
build_wolfprovider (v5.8.0-stable, openssl-3.5.0) / Build wolfProvider	1m 20s
test_socat (master, openssl-3.5.0)	8m 36s
test_socat (v5.8.0-stable, openssl-3.5.0)	8m 40s
	19m 58s

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