ARM: SAMSUNG: Add support for handling of cpu revision

This patch adds plat-samsung/cpu.c for detecting of cpu id and
silicon revision.

This patch was originally from Changhwan Youn <chaos.youn@samsung.com>

Acked-by: Changhwan Youn <chaos.youn@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index ead21a4..3c63353 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -224,6 +224,7 @@
 	} else {
 		samsung_cpu_id = s3c24xx_read_idcode_v4();
 	}
+	s3c24xx_init_cpu();
 
 	arm_pm_restart = s3c24xx_pm_restart;