cmp.c: add protection context with srvcert for kem. #1079

Job	Run time
run-checker (no-cmp)	7m 22s
run-checker (no-cms)	7m 18s
run-checker (no-dgram)	6m 57s
run-checker (no-dh)	7m 4s
run-checker (no-dtls)	7m 13s
run-checker (no-ec)	7m 6s
run-checker (no-ec2m)	6m 57s
run-checker (no-ecx)	9m 41s
run-checker (no-http)	7m 15s
run-checker (no-legacy)	7m 27s
run-checker (no-sock)	7m 48s
run-checker (enable-ssl-trace)	9m 43s
run-checker (no-threads)	8m 32s
run-checker (no-thread-pool)	7m 2s
run-checker (no-default-thread-pool)	7m 27s
run-checker (no-tls)	6m 26s
run-checker (no-tls1_2)	8m 1s
run-checker (no-tls1_3)	6m 42s
run-checker (enable-trace enable-fips)	9m 18s
run-checker (no-ui)	8m 25s
run-checker (no-quic)	8m 21s
	2h 42m 5s

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