crypto/internal/fips140: add Name and Version

Per ISO/IEC 19790:2012, Section 7.4.3.1.

> A cryptographic module shall [04.12] provide the following services to
> operators.
>
> a) Show module’s versioning information. The cryptographic module
> shall [04.13] output the name or module identifier and the versioning
> information that can be correlated with a validation record (e.g.
> hardware, software and/or firmware versioning information)."

For #69536

Change-Id: I8061f64e4ae60a4666f6abd892cb1301d6bf2452
Reviewed-on: https://go-review.googlesource.com/c/go/+/636558
Auto-Submit: Filippo Valsorda <[email protected]>
Reviewed-by: Daniel McCarney <[email protected]>
Reviewed-by: Roland Shoemaker <[email protected]>
Reviewed-by: David Chase <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

src/crypto/internal/fips140/fips140.go

@@ -19,3 +19,11 @@ func init() {
 		debug = true
 	}
 }
+
+func Name() string {
+	return "Go Cryptographic Module"
+}
+
+func Version() string {
+	return "v1.0"
+}