Print AudioBoardID ADC value

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

framework_lib/src/chromium_ec/mod.rs

@@ -599,6 +599,7 @@ impl CrosEc {
         } else {
             is_present(false).to_string()
         });
+        println!("    ADC Value:         {:?}", self.adc_read(Framework13Adc::AudioBoardId as u8));
         println!("  Touchpad:            {}", is_present(tp.is_some()));
 
         Ok(())