sem: remove limitation of irq context when do sem_trywait

Signed-off-by: ligd <liguiding1@xiaomi.com>

mm/mm_heap/mm_sem.c

@@ -80,9 +80,13 @@ bool mm_takesemaphore(FAR struct mm_heap_s *heap)
 
   if (up_interrupt_context())
     {
+#ifdef CONFIG_DEBUG_MM
+      return _SEM_TRYWAIT(&heap->mm_semaphore) >= 0;
+#else
       /* Can't take semaphore in the interrupt handler */
 
       return false;
+#endif
     }
   else
 #endif