ARM: imx5 DT init cpufreq-cpu0 device

Add cpufreq-cpu0 platform device for imx5 DT init and register the clock
for imx5.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/imx51-dt.c b/arch/arm/mach-imx/imx51-dt.c
index e2926a8..ab24cc3 100644
--- a/arch/arm/mach-imx/imx51-dt.c
+++ b/arch/arm/mach-imx/imx51-dt.c
@@ -21,7 +21,10 @@
 
 static void __init imx51_dt_init(void)
 {
+	struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+	platform_device_register_full(&devinfo);
 }
 
 static const char *imx51_dt_board_compat[] __initdata = {