Exynos: fix cpuinfo and cpu detecting

Since Exynos architecture have new SoCs,
need to fix cpuinfo correctly.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Chander Kashyap <chander.kashyap@linaro.org>
diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
index 510ead4..2362b99 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
@@ -23,6 +23,7 @@
 #ifndef _S5PC1XX_CPU_H
 #define _S5PC1XX_CPU_H
 
+#define S5P_CPU_NAME		"S5P"
 #define S5PC1XX_ADDR_BASE	0xE0000000
 
 /* S5PC100 */
@@ -71,6 +72,11 @@
 	s5p_cpu_id = 0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12);
 }
 
+static inline char *s5p_get_cpu_name(void)
+{
+	return S5P_CPU_NAME;
+}
+
 #define IS_SAMSUNG_TYPE(type, id)			\
 static inline int cpu_is_##type(void)			\
 {							\