Add unsafe block around DEVICE_PERIPHERALS

Author: kurtjd

src/generate/device.rs

@@ -339,7 +339,7 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
             /// Each of the returned peripherals must be used at most once.
             #[inline]
             pub unsafe fn steal() -> Self {
-                DEVICE_PERIPHERALS = true;
+                unsafe { DEVICE_PERIPHERALS = true };
 
                 Peripherals {
                     #exprs