Fixes an issue where one could double take the cortex_m Peripheral

Added qemu test

Added comment

Typo

Add cfg for homogeneous

More cfg

Now multicore working

Add .run file

examples/peripherals-taken.rs

@@ -0,0 +1,16 @@
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use cortex_m_semihosting::debug;
+use panic_semihosting as _;
+
+#[rtic::app(device = lm3s6965)]
+const APP: () = {
+    #[init]
+    fn main(_: main::Context) {
+        assert!(cortex_m::Peripherals::take().is_none());
+        debug::exit(debug::EXIT_SUCCESS);
+    }
+};