net: phy: qt2025: simplify Result<()> in probe return

probe returns a `Result<()>` type, which can be simplified as `Result`,
due to default type parameters being unit `()` and `Error` types. This
maintains a consistent usage of `Result` throughout codebase.

Suggested-by: Miguel Ojeda <[email protected]>
Link: Rust-for-Linux#1128
Signed-off-by: Manas <[email protected]>
Reviewed-by: Miguel Ojeda <[email protected]>
Signed-off-by: NipaLocal <nipa@local>

Author: weirdsmiley

drivers/net/phy/qt2025.rs

@@ -39,7 +39,7 @@ impl Driver for PhyQT2025 {
     const NAME: &'static CStr = c_str!("QT2025 10Gpbs SFP+");
     const PHY_DEVICE_ID: phy::DeviceId = phy::DeviceId::new_with_exact_mask(0x0043a400);
 
-    fn probe(dev: &mut phy::Device) -> Result<()> {
+    fn probe(dev: &mut phy::Device) -> Result {
         // Check the hardware revision code.
         // Only 0x3b works with this driver and firmware.
         let hw_rev = dev.read(C45::new(Mmd::PMAPMD, 0xd001))?;