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: Tang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved $SUBJECT line]
diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-ppc-corenet.c
index a2d483f..e9587073 100644
--- a/drivers/clk/clk-ppc-corenet.c
+++ b/drivers/clk/clk-ppc-corenet.c
@@ -260,7 +260,7 @@
 
 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", },
 	{}
 };