EXYNOS: fix dependency for EXYNOS_CPUFREQ

This fixes the CPUFREQ dependency for regarding EXYNOS SoCs
such as EXYNOS4210, EXYNOS4X12 and EXYNOS5250. Its cpufreq
driver should be built with selection of SoC arch part.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

drivers/cpufreq/Kconfig.arm

@@ -51,9 +51,6 @@ config ARM_S5PV210_CPUFREQ
 config ARM_EXYNOS_CPUFREQ
 	bool "SAMSUNG EXYNOS SoCs"
 	depends on ARCH_EXYNOS
-	select ARM_EXYNOS4210_CPUFREQ if CPU_EXYNOS4210
-	select ARM_EXYNOS4X12_CPUFREQ if (SOC_EXYNOS4212 || SOC_EXYNOS4412)
-	select ARM_EXYNOS5250_CPUFREQ if SOC_EXYNOS5250
 	default y
 	help
 	  This adds the CPUFreq driver common part for Samsung
@@ -62,20 +59,19 @@ config ARM_EXYNOS_CPUFREQ
 	  If in doubt, say N.
 
 config ARM_EXYNOS4210_CPUFREQ
-	bool "Samsung EXYNOS4210"
-	depends on ARCH_EXYNOS
+	def_bool CPU_EXYNOS4210
 	help
 	  This adds the CPUFreq driver for Samsung EXYNOS4210
 	  SoC (S5PV310 or S5PC210).
 
 config ARM_EXYNOS4X12_CPUFREQ
-	bool "Samsung EXYNOS4X12"
+	def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
 	help
 	  This adds the CPUFreq driver for Samsung EXYNOS4X12
 	  SoC (EXYNOS4212 or EXYNOS4412).
 
 config ARM_EXYNOS5250_CPUFREQ
-	bool "Samsung EXYNOS5250"
+	def_bool SOC_EXYNOS5250
 	help
 	  This adds the CPUFreq driver for Samsung EXYNOS5250
 	  SoC.