cpufreq: tegra124: extend to support Tegra210

Tegra210 uses the same methodology as Tegra124 for CPUFreq controlling
that based on DFLL clock. So extending this driver to support Tegra210.

Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/cpufreq/tegra124-cpufreq.c

@@ -144,7 +144,8 @@ static int __init tegra_cpufreq_init(void)
 	int ret;
 	struct platform_device *pdev;
 
-	if (!of_machine_is_compatible("nvidia,tegra124"))
+	if (!(of_machine_is_compatible("nvidia,tegra124") ||
+		of_machine_is_compatible("nvidia,tegra210")))
 		return -ENODEV;
 
 	/*