ARM: dts: am335x-baltos-ir5221: fix cpsw_emac0 link type

In Baltos iR5221 cpsw_emac0 is connected directly to the switch IC and
hence needs to be configured as "fixed-link".

Signed-off-by: Yegor Yefremov <[e-mail]>
Reviewed-by: Andrew Lunn <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/am335x-baltos-ir5221.dts

···
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <0>;
 	phy-mode = "rmii";
 	dual_emac_res_vlan = <1>;
+	fixed-link {
+		speed = <100>;
+		full-duplex;
+	};
 };
 
 &cpsw_emac1 {