ARM: dts: omap3: Fix am3517 mdio and emac clock references

A previous patch removed OMAP clock aliases that were perceived
to be unnecessary. Unfortunately, it broke the ethernet on the
am3517-evm. This patch enables the MDIO clock and EMAC clock.

Fixes: 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases")
Cc: [e-mail] #4.16+

Signed-off-by: Adam Ford <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/am3517.dtsi

···
 			ti,davinci-ctrl-ram-size = <0x2000>;
 			ti,davinci-rmii-en = /bits/ 8 <1>;
 			local-mac-address = [ 00 00 00 00 00 00 ];
+			clocks = <&emac_ick>;
+			clock-names = "ick";
 		};
 
 		davinci_mdio: ethernet@5c030000 {
···
 			bus_freq = <1000000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clocks = <&emac_fck>;
+			clock-names = "fck";
 		};
 
 		uart4: serial@4809e000 {