ARM: highbank: call highbank_pm_init from .init_machine

Being a module_init call, highbank_pm_init will cause problem with
multi-platform build running on other platforms.  Call it from
.init_machine instead.
Reported-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NRob Herring <rob.herring@calxeda.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/mach-highbank/core.h

@@ -8,4 +8,10 @@ extern void highbank_lluart_map_io(void);
 static inline void highbank_lluart_map_io(void) {}
 #endif
 
+#ifdef CONFIG_PM_SLEEP
+extern void highbank_pm_init(void);
+#else
+static inline void highbank_pm_init(void) {}
+#endif
+
 extern void highbank_smc1(int fn, int arg);

arch/arm/mach-highbank/highbank.c

@@ -152,6 +152,7 @@ static void highbank_power_off(void)
 static void __init highbank_init(void)
 {
 	pm_power_off = highbank_power_off;
+	highbank_pm_init();
 
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }

arch/arm/mach-highbank/pm.c

@@ -47,9 +47,7 @@ static const struct platform_suspend_ops highbank_pm_ops = {
 	.valid = suspend_valid_only_mem,
 };
 
-static int __init highbank_pm_init(void)
+void __init highbank_pm_init(void)
 {
 	suspend_set_ops(&highbank_pm_ops);
-	return 0;
 }
-module_init(highbank_pm_init);