fix(gem-net): clippy::unnecessary_cast

Signed-off-by: Martin Kröning <[email protected]>

src/drivers/net/gem.rs

@@ -406,7 +406,7 @@ impl GEMDriver {
 		debug!("rx_buffer_consumed: handle: {}", handle);
 
 		let word0_addr = (self.rxbuffer_list + (handle * 8) as u64);
-		let word1_addr = word0_addr + 4 as u64;
+		let word1_addr = word0_addr + 4_u64;
 
 		unsafe {
 			// Clear word1 (is this really necessary?)