clk: mpc85xx: Update the compatible string

The compatible string of clock is changed from *-2 to *-2.0
on chassis 2. So updated it accordingly.
Signed-off-by: NTang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: NMike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved $SUBJECT line]

drivers/clk/clk-ppc-corenet.c

@@ -260,7 +260,7 @@ static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
 
 static const struct of_device_id ppc_clk_ids[] __initconst = {
 	{ .compatible = "fsl,qoriq-clockgen-1.0", },
-	{ .compatible = "fsl,qoriq-clockgen-2", },
+	{ .compatible = "fsl,qoriq-clockgen-2.0", },
 	{}
 };