board: samsung: Removed the hardcode clock values

Boards based on same Soc can you different clock values
so the values are moved to config file.

Signed-off-by: Girish K S <ks.giri@samsung.com)>
diff --git a/board/samsung/smdk5250/smdk5250_spl.c b/board/samsung/smdk5250/smdk5250_spl.c
index 1d453ca..1f0ce72 100644
--- a/board/samsung/smdk5250/smdk5250_spl.c
+++ b/board/samsung/smdk5250/smdk5250_spl.c
@@ -49,8 +49,8 @@
 	.uboot_size	= 0x100000,
 
 	.boot_source	= BOOT_MODE_OM,
-	.frequency_mhz	= 800,
-	.arm_freq_mhz	= 1700,
+	.frequency_mhz	= CONFIG_BUS_CLK_FREQ,
+	.arm_freq_mhz	= CONFIG_ARM_CLK_FREQ,
 	.serial_base	= 0x12c30000,
 	.i2c_base	= 0x12c60000,
 	.mem_manuf	= MEM_MANUF_SAMSUNG,
diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h
index 3a567ff..fd7ecec 100644
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -45,6 +45,8 @@
 
 /* input clock of PLL: SMDK5250 has 24MHz input clock */
 #define CONFIG_SYS_CLK_FREQ		24000000
+#define CONFIG_ARM_CLK_FREQ            1700 /* in MHz*/
+#define CONFIG_BUS_CLK_FREQ            800 /* in MHz*/
 
 #define CONFIG_SETUP_MEMORY_TAGS
 #define CONFIG_CMDLINE_TAG