Merge pull request #415 from KarlK90/fix/gd32vf103-port-status

ports: riscv-eclic: chcore: add missing port lock functions

os/common/ports/RISCV-ECLIC/chcore.h

@@ -353,6 +353,23 @@ struct port_context {
   }
 #endif
 
+/**
+ * @brief   Returns a word representing a critical section status.
+ *
+ * @return              The critical section status.
+ */
+#define port_get_lock_status() port_get_irq_status()
+
+/**
+ * @brief   Determines if in a critical section.
+ *
+ * @param[in] sts       status word returned by @p port_get_lock_status()
+ * @return              The current status.
+ * @retval false        if running outside a critical section.
+ * @retval true         if running within a critical section.
+ */
+#define port_is_locked(sts) !port_irq_enabled(sts)
+
 /*===========================================================================*/
 /* External declarations.                                                    */
 /*===========================================================================*/