arm: rmobile: Add prototype for function to get the CPU information to rmobile.h

These functions are defined but has no prototype declaration. Add them.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/include/asm/arch-rmobile/rmobile.h b/arch/arm/include/asm/arch-rmobile/rmobile.h
index 2382565..ebddd7a 100644
--- a/arch/arm/include/asm/arch-rmobile/rmobile.h
+++ b/arch/arm/include/asm/arch-rmobile/rmobile.h
@@ -15,4 +15,10 @@
 #endif
 #endif /* CONFIG_RMOBILE */
 
+#ifndef __ASSEMBLY__
+u32 rmobile_get_cpu_type(void);
+u32 rmobile_get_cpu_rev_integer(void);
+u32 rmobile_get_cpu_rev_fraction(void);
+#endif /* __ASSEMBLY__ */
+
 #endif /* __ASM_ARCH_RMOBILE_H */