[qca-ssdk]: Enable port qos dscp mode on dess by default

Change-Id: I6ee83099e42f8100fca5d291b164ca39d65bd407
Signed-off-by: xiaofeis <xiaofeis@codeaurora.org>
diff --git a/src/init/ssdk_init.c b/src/init/ssdk_init.c
index 7579b22..ae137db 100755
--- a/src/init/ssdk_init.c
+++ b/src/init/ssdk_init.c
@@ -445,6 +445,9 @@
 			fal_qos_queue_tx_buf_nr_set(dev_id, i, 2, &nr);
 			fal_qos_queue_tx_buf_nr_set(dev_id, i, 1, &nr);
 			fal_qos_queue_tx_buf_nr_set(dev_id, i, 0, &nr);
+			if (i != SSDK_PHYSICAL_PORT0)
+				fal_qos_port_mode_set(dev_id, i,
+					FAL_QOS_DSCP_MODE, A_TRUE);
 #endif
 #endif
 		} else if (SSDK_CURRENT_CHIP_TYPE == CHIP_ISISC ||