Refactor chacha cuda to be able to test cuda crate but not in OpenCL (#7685)

* Refactor chacha cuda to be able to test cuda crate but not in OpenCL

chacha not implemeted in OpenCL

* Get off core::Error

archiver-lib/src/lib.rs

@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate log;
+
+#[macro_use]
+extern crate serde_derive;
+
+#[macro_use]
+extern crate solana_metrics;
+
+pub mod archiver;
+mod result;