[MCXA] reset_reason: process multiple bits

After testing with the pending watchdog driver, I noticed that more
than one bit got set (Warm and Wdog0), changing my original assumption
of this register being one-hot.

Update the `reset_reason()` function and example according to James
Munns' MCXA DMA Error implementation.

1 files changed, 3 insertions, 1 deletions

diff --git a/examples/mcxa/src/bin/reset-reason.rs b/examples/mcxa/src/bin/reset-reason.rs
index c244fbe04..2d48a92b1 100644
--- a/examples/mcxa/src/bin/reset-reason.rs
+++ b/examples/mcxa/src/bin/reset-reason.rs
@@ -11,5 +11,7 @@ async fn main(_spawner: Spawner) {
     let config = Config::default();
     let _p = hal::init(config);
 
-    defmt::info!("Reset Reason: '{}'", reset_reason());
+    for reason in reset_reason().into_iter() {
+        defmt::info!("Reset Reason: '{}'", reason);
+    }
 }