ARM: S5PV210: Update Kconfig and Makefile for supporting CPUFREQ driver

This patch adds ARCH_HAS_CPUFREQ in arch/arm/Kconfig for S5PV210,
and updates mach-s5pv210/Makefile for supporting build CPUFREQ driver.

Signed-off-by: Jaecheol Lee <jc.lee@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b2204d9..2756468 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -721,6 +721,7 @@
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select ARM_L1_CACHE_SHIFT_6
+	select ARCH_HAS_CPUFREQ
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C
 	select HAVE_S3C_RTC