[][Refine QDMA Per-Port-Per-Queue(PPPQ) mode]

[Description]
Refactor QDMA Per-Port-Per-Queue(PPPQ) mode:
	- Discard legacy CONFIG_NET_MEDIATEK_HW_QOS flag
	- Enable mtkhnat utility hqos=1 by default
	- Simplify qos_toggle command when enabling PPPQ

[Release-log]
N/A

Change-Id: Ia6ef6b7143af5f46d048525b931d02e2f81ded19
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5308043
diff --git a/target/linux/mediatek/modules.mk b/target/linux/mediatek/modules.mk
index 2ce0201..f212ba6 100644
--- a/target/linux/mediatek/modules.mk
+++ b/target/linux/mediatek/modules.mk
@@ -69,8 +69,7 @@
   KCONFIG:= \
 	CONFIG_BRIDGE_NETFILTER=y \
 	CONFIG_NETFILTER_FAMILY_BRIDGE=y \
-	CONFIG_NET_MEDIATEK_HNAT \
-	CONFIG_NET_MEDIATEK_HW_QOS=y
+	CONFIG_NET_MEDIATEK_HNAT
   FILES:= \
         $(LINUX_DIR)/drivers/net/ethernet/mediatek/mtk_hnat/mtkhnat.ko
 endef