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>

arch/arm/mach-prima2/common.h

@@ -24,4 +24,10 @@ static inline void sirfsoc_map_lluart(void)  {}
 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