pwm: th1520: Fix clippy warning for redundant struct field init

Clippy warns about redundant struct field initialization when the field
name and the variable name are the same (e.g., `status: status`).

No functional change.

Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Reviewed-by: Elle Rhumsaa <elle@weathered-steel.dev>
Link: https://patch.msgid.link/20251028-pwm_fixes-v1-4-25a532d31998@samsung.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

Author: Michal Wilczynski

drivers/pwm/pwm_th1520.rs

@@ -185,7 +185,7 @@ impl pwm::PwmOps for Th1520PwmDriverData {
         );
 
         Ok(pwm::RoundedWaveform {
-            status: status,
+            status,
             hardware_waveform: wfhw,
         })
     }