internal/rosa/openssl: disable building docs

These take very long and are never used in the Rosa OS environment.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/openssl.go

@@ -25,6 +25,7 @@ func (t Toolchain) newOpenSSL() (pkg.Artifact, string) {
 			{"prefix", "/system"},
 			{"libdir", "lib"},
 			{"openssldir", "etc/ssl"},
+			{"", "no-docs"},
 		},
 		Check: []string{
 			"HARNESS_JOBS=" + jobsE,