arm: dts: mt7623: add missing pause for switchport

port6 of mt7530 switch (= cpu port 0) on bananapi-r2 misses pause option
which causes rx drops on running iperf.

Fixes: f4ff257cd160 ("arm: dts: mt7623: add support for Bananapi R2 (BPI-R2) board")
Signed-off-by: Frank Wunderlich <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Matthias Brugger <[e-mail]>

arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts

···
 					fixed-link {
 						speed = <1000>;
 						full-duplex;
+						pause;
 					};
 				};
 			};