cpufreq: tegra194: Staticize struct tegra_cpufreq_soc instances

Fix sparse warnings by marking these structures static.

Fixes: 273bc890 ("cpufreq: tegra194: Add support for Tegra234")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/tegra194-cpufreq.c

@@ -162,7 +162,7 @@ static struct tegra_cpufreq_ops tegra234_cpufreq_ops = {
 	.set_cpu_ndiv = tegra234_set_cpu_ndiv,
 };
 
-const struct tegra_cpufreq_soc tegra234_cpufreq_soc = {
+static const struct tegra_cpufreq_soc tegra234_cpufreq_soc = {
 	.ops = &tegra234_cpufreq_ops,
 	.actmon_cntr_base = 0x9000,
 	.maxcpus_per_cluster = 4,
@@ -430,7 +430,7 @@ static struct tegra_cpufreq_ops tegra194_cpufreq_ops = {
 	.set_cpu_ndiv = tegra194_set_cpu_ndiv,
 };
 
-const struct tegra_cpufreq_soc tegra194_cpufreq_soc = {
+static const struct tegra_cpufreq_soc tegra194_cpufreq_soc = {
 	.ops = &tegra194_cpufreq_ops,
 	.maxcpus_per_cluster = 2,
 };