Use rng_v2 cfg instead of chip specific for seed error recover hack

embassy-stm32/src/rng.rs

@@ -32,8 +32,7 @@ impl<'d, T: Instance> Rng<'d, T> {
     }
 
     pub fn reset(&mut self) {
-        //stm32wl gets stuck if there is a seed error
-        #[cfg(stm32wl)]
+        #[cfg(rng_v2)]
         if unsafe { T::regs().sr().read().seis()} {
             T::reset();
         }