Move interrupts and noInterrupts out of namespace

- These functions are exported from Arduino.h

Signed-off-by: Ayush Singh <[email protected]>

Author: Ayush1325

cores/arduino/zephyrCommon.cpp

@@ -174,23 +174,6 @@ size_t analog_pin_index(pin_size_t pinNumber) {
 }
 
 #endif //CONFIG_ADC
-
-static unsigned int irq_key;
-static bool interrupts_disabled = false;
-
-void interrupts(void) {
-  if (interrupts_disabled) {
-    irq_unlock(irq_key);
-    interrupts_disabled = false;
-  }
-}
-
-void noInterrupts(void) {
-  if (!interrupts_disabled) {
-    irq_key = irq_lock();
-    interrupts_disabled = true;
-  }
-}
 }
 
 void yield(void) {
@@ -480,3 +463,20 @@ void disableInterrupt(pin_size_t pinNumber) {
     pcb->handlers[BIT(arduino_pins[pinNumber].pin)].enabled = false;
   }
 }
+
+static unsigned int irq_key;
+static bool interrupts_disabled = false;
+
+void interrupts(void) {
+  if (interrupts_disabled) {
+    irq_unlock(irq_key);
+    interrupts_disabled = false;
+  }
+}
+
+void noInterrupts(void) {
+  if (!interrupts_disabled) {
+    irq_key = irq_lock();
+    interrupts_disabled = true;
+  }
+}