Tidy clippy lints

Author: richardeoin

examples/sdmmc.rs

@@ -41,7 +41,7 @@ fn main() -> ! {
     let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
 
     // STM32H747I-DISCO development board
-    #[cfg(any(feature = "rm0399"))]
+    #[cfg(feature = "rm0399")]
     let mut led = {
         let gpioi = dp.GPIOI.split(ccdr.peripheral.GPIOI);
 

examples/usb_phy_serial_interrupt.rs

@@ -3,6 +3,7 @@
 //! This example is for RM0433/RM0399 parts. It has been tested on the Arduino
 //! Portenta H7
 #![deny(warnings)]
+#![allow(clippy::type_complexity)]
 #![no_std]
 #![no_main]