driver/dma_smartbond: Fix driver initialization when PM_DEVICE is set

Fix DMA driver initialization when PM_DEVICE is set.
Don't put PM policy state lock if it is not active.

Signed-off-by: Ioannis Damigos <ioannis.damigos.uj@renesas.com>
(cherry picked from commit 135214d844)

drivers/dma/dma_smartbond.c

@@ -188,7 +188,9 @@ static inline void dma_smartbond_pm_policy_state_lock_get(void)
 static inline void dma_smartbond_pm_policy_state_lock_put(void)
 {
 #if defined(CONFIG_PM_DEVICE)
+	if (pm_policy_state_lock_is_active(PM_STATE_STANDBY, PM_ALL_SUBSTATES)) {
 		pm_policy_state_lock_put(PM_STATE_STANDBY, PM_ALL_SUBSTATES);
+	}
 #endif
 }