cpufreq: zynq: Use generic platdev driver

The cpufreq-dt-platdev driver supports creation of cpufreq-dt platform
device now, reuse that and remove similar code from platform code.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

arch/arm/mach-zynq/common.c

@@ -110,7 +110,6 @@ static void __init zynq_init_late(void)
  */
 static void __init zynq_init_machine(void)
 {
-	struct platform_device_info devinfo = { .name = "cpufreq-dt", };
 	struct soc_device_attribute *soc_dev_attr;
 	struct soc_device *soc_dev;
 	struct device *parent = NULL;
@@ -145,7 +144,6 @@ static void __init zynq_init_machine(void)
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, parent);
 
 	platform_device_register(&zynq_cpuidle_device);
-	platform_device_register_full(&devinfo);
 }
 
 static void __init zynq_timer_init(void)

drivers/cpufreq/cpufreq-dt-platdev.c

@@ -68,6 +68,8 @@ static const struct of_device_id machines[] __initconst = {
 	{ .compatible = "ti,omap3", },
 	{ .compatible = "ti,omap4", },
 	{ .compatible = "ti,omap5", },
+
+	{ .compatible = "xlnx,zynq-7000", },
 };
 
 static int __init cpufreq_dt_platdev_init(void)