cpufreq: tegra: fix the wrong clock name

The "cpu" and "pclk_p_cclk" was a virtual clock name that was used in
the legacy Tegra clock framework. It was not used after converting to
CCF. Fix it as the correct clock name that we are using.
Tested-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NJoseph Lo <josephl@nvidia.com>
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/tegra-cpufreq.c

@@ -255,7 +255,7 @@ static struct cpufreq_driver tegra_cpufreq_driver = {
 
 static int __init tegra_cpufreq_init(void)
 {
-	cpu_clk = clk_get_sys(NULL, "cpu");
+	cpu_clk = clk_get_sys(NULL, "cclk");
 	if (IS_ERR(cpu_clk))
 		return PTR_ERR(cpu_clk);
 
@@ -263,7 +263,7 @@ static int __init tegra_cpufreq_init(void)
 	if (IS_ERR(pll_x_clk))
 		return PTR_ERR(pll_x_clk);
 
-	pll_p_clk = clk_get_sys(NULL, "pll_p_cclk");
+	pll_p_clk = clk_get_sys(NULL, "pll_p");
 	if (IS_ERR(pll_p_clk))
 		return PTR_ERR(pll_p_clk);