mediatek: fix missing pause on switch port for Banana Pi R2

This causes rx drops when running iperf.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

target/linux/mediatek/patches-5.4/0700-arm-dts-mt7623-add-missing-pause-for-switchport.patch

@@ -0,0 +1,27 @@
+From: Frank Wunderlich <frank-w@public-files.de>
+Date: Mon,  7 Sep 2020 09:05:17 +0200
+
+port6 of mt7530 switch (= cpu port 0) on bananapi-r2 misses pause option
+which causes rx drops on running iperf.
+
+Cc: stable@vger.kernel.org
+Fixes: f4ff257cd160 ("arm: dts: mt7623: add support for Bananapi R2 (BPI-R2) board")
+Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
+---
+ arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+index 2b760f90f38c..5375c6699843 100644
+--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
++++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+@@ -192,6 +192,7 @@ port@6 {
+ 					fixed-link {
+ 						speed = <1000>;
+ 						full-duplex;
++						pause;
+ 					};
+ 				};
+ 			};
+-- 
+2.25.1