cpufreq: tegra20: Allow cpufreq driver to be built as loadable module

Nothing prevents Tegra20 CPUFreq module to be unloaded, hence allow it to
be built as a non-builtin kernel module.

Signed-off-by: Dmitry Osipenko <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: digetx

drivers/cpufreq/Kconfig.arm

@@ -264,7 +264,7 @@ config ARM_TANGO_CPUFREQ
 	default y
 
 config ARM_TEGRA20_CPUFREQ
-	bool "Tegra20 CPUFreq support"
+	tristate "Tegra20 CPUFreq support"
 	depends on ARCH_TEGRA
 	default y
 	help