Fix unit tests.

The unit test code needs to see all the modules.

Author: thejpster

cortex-r/src/register/mod.rs

@@ -175,9 +175,9 @@ pub use vmpidr::Vmpidr;
 pub use vpidr::Vpidr;
 pub use vsctlr::Vsctlr;
 
-#[cfg(arm_architecture = "v8-r")]
+#[cfg(any(test, arm_architecture = "v8-r"))]
 pub mod armv8r;
-#[cfg(arm_architecture = "v8-r")]
+#[cfg(any(test, arm_architecture = "v8-r"))]
 pub use armv8r::*;
 
 pub use imp::*;