qca-wifi: Increase restart request timer to 20s

In independent repeater scenario where STA vdev takes longer for
auth/assoc, and the AP vdevs are waiting on restart request may lead
to restart timeout.

Hence increase restart timeout to 20s which is higher than auth/assoc
timeout.

Change-Id: I5d2a0859e368feda4e1c6d3824eefdbc248b9bac

umac/mlme/vdev_mgr/core/src/vdev_mlme_sm_actions.c

@@ -414,7 +414,7 @@ static void mlme_multivdev_restart(struct pdev_mlme_obj *pdev_mlme)
 	}
 }
 
-#define MULTIVDEV_RESTART_MAX_RETRY_CNT 100
+#define MULTIVDEV_RESTART_MAX_RETRY_CNT 200
 static os_timer_func(mlme_restart_req_timeout)
 {
 	qdf_bitmap(tmp_restart_pend_vdev_bmap, WLAN_UMAC_PSOC_MAX_VDEVS);