Refactors for L432KC done for all peripherals except GPIO

SHAL/Include/Peripheral/ADC/SHAL_ADC.h

@@ -16,7 +16,7 @@ class SHAL_ADC {
 
 public:
 
-    SHAL_Result init();
+    SHAL_Result init(ADC_Key key);
 
     SHAL_Result calibrate();
 
@@ -54,6 +54,9 @@ private:
     //Disables peripheral
     SHAL_Result disable();
 
+    //Wake up ADC from initial deep sleep state
+    SHAL_Result wakeFromDeepSleep();
+
     SHAL_Result startConversion();
 
     /// Adds an ADC channel to the conversion sequence