[PATCH 2/3] rust: net: phy: make example buildable

[Miguel Ojeda <ojeda@kernel.org>]

This example can easily be made buildable, thus do so.

Making examples buildable prevents issues like the one fixed in the
previous commit.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
 rust/kernel/net/phy/reg.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/net/phy/reg.rs b/rust/kernel/net/phy/reg.rs
index 4e8b58711bae..165bbff93e53 100644
--- a/rust/kernel/net/phy/reg.rs
+++ b/rust/kernel/net/phy/reg.rs
@@ -25,7 +25,16 @@ pub trait Sealed {}
 ///
 /// # Examples
 ///
-/// ```ignore
+/// ```
+/// # use kernel::net::phy::{
+/// #     self,
+/// #     Device,
+/// #     reg::{
+/// #         C22,
+/// #         C45,
+/// #         Mmd, //
+/// #     }, //
+/// # };
 /// fn link_change_notify(dev: &mut Device) {
 ///     // read C22 BMCR register
 ///     dev.read(C22::BMCR);
-- 
2.51.2