powerpc/85xx/kmcent2: use hdlc busmode for UCC1

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/powerpc/boot/dts/fsl/kmcent2.dts

@@ -293,9 +293,7 @@ ucc_hdlc: ucc@2000 {
 			compatible = "fsl,ucc-hdlc";
 			rx-clock-name = "clk9";
 			tx-clock-name = "clk9";
-			fsl,tx-timeslot-mask = <0xfffffffe>;
-			fsl,rx-timeslot-mask = <0xfffffffe>;
-			fsl,siram-entry-id = <0>;
+			fsl,hdlc-bus;
 		};
 	};
 };