realtek: correct typo in port numbering

Port 10 was incorrectly labelled as nonexistent port 0.

Signed-off-by: Michael 'ASAP' Weinrich <[email protected]>

target/linux/realtek/dts-5.15/rtl8393_netgear_gs750e.dts

@@ -191,7 +191,7 @@
 		SWITCH_PORT(7, 8, qsgmii)
 
 		SWITCH_PORT(8, 9, qsgmii)
-		SWITCH_PORT(9, 0, qsgmii)
+		SWITCH_PORT(9, 10, qsgmii)
 		SWITCH_PORT(10, 11, qsgmii)
 		SWITCH_PORT(11, 12, qsgmii)
 		SWITCH_PORT(12, 13, qsgmii)