[][mac80211][app][Change mt76 wifi interfaces rps to 3]

[Description]
Change mt76 wifi interfaces rps to 3.
The ethernet interface interrupt would use CPU2 and CPU3 and
the wifi interfaces use CPU0 and PCU1.

[Release-log]
N/A

Change-Id: I03a7e55aba19e31cdd0339a5ef4fcce162734eaf
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7160358
diff --git a/target/linux/mediatek/base-files/sbin/smp-mt76.sh b/target/linux/mediatek/base-files/sbin/smp-mt76.sh
index b71c90a..c76e2f8 100755
--- a/target/linux/mediatek/base-files/sbin/smp-mt76.sh
+++ b/target/linux/mediatek/base-files/sbin/smp-mt76.sh
@@ -149,7 +149,7 @@
 
 		CPU0_RPS="$WIFI_IF_LIST"
 		CPU1_RPS="$WIFI_IF_LIST"
-		CPU2_RPS="$WIFI_IF_LIST"
+		CPU2_RPS=""
 		CPU3_RPS=""
 	fi
 	dbg2 "CPU0_AFFINITY = $CPU0_AFFINITY"