ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz

Since clk_xusbxti.rate is 24Mhz as a default,
so we don't need to set that when it is 24Mhz.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index 7464a45..d534725 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -366,7 +366,7 @@
 static void __init smdkv310_map_io(void)
 {
 	exynos_init_io(NULL, 0);
-	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_clocks(clk_xusbxti.rate);
 	s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
 }
 
@@ -403,7 +403,6 @@
 	smdkv310_ehci_init();
 	smdkv310_ohci_init();
 	s3c_hsotg_set_platdata(&smdkv310_hsotg_pdata);
-	clk_xusbxti.rate = 24000000;
 
 	platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 }