ARM: prima2: use machine specific hook for late init

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Barry Song <baohua.song@csr.com>
diff --git a/arch/arm/mach-prima2/common.h b/arch/arm/mach-prima2/common.h
index b28a930..60d826f 100644
--- a/arch/arm/mach-prima2/common.h
+++ b/arch/arm/mach-prima2/common.h
@@ -24,4 +24,10 @@
 extern void __init sirfsoc_map_lluart(void);
 #endif
 
+#ifdef CONFIG_SUSPEND
+extern int sirfsoc_pm_init(void);
+#else
+static inline int sirfsoc_pm_init(void) { return 0; }
+#endif
+
 #endif