PM / sleep: Set pm_generic functions to NULL for !CONFIG_PM_SLEEP

Previously only a subset of the functions were defined and set to NULL
while !CONFIG_PM_SLEEP. Let's make them all available so they can be
used no matter of CONFIG_PM_SLEEP or not.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

include/linux/pm.h

@@ -720,11 +720,23 @@ static inline void dpm_for_each_dev(void *data, void (*fn)(struct device *, void
 }
 
 #define pm_generic_prepare		NULL
+#define pm_generic_suspend_late		NULL
+#define pm_generic_suspend_noirq	NULL
 #define pm_generic_suspend		NULL
+#define pm_generic_resume_early		NULL
+#define pm_generic_resume_noirq		NULL
 #define pm_generic_resume		NULL
+#define pm_generic_freeze_noirq		NULL
+#define pm_generic_freeze_late		NULL
 #define pm_generic_freeze		NULL
+#define pm_generic_thaw_noirq		NULL
+#define pm_generic_thaw_early		NULL
 #define pm_generic_thaw			NULL
+#define pm_generic_restore_noirq	NULL
+#define pm_generic_restore_early	NULL
 #define pm_generic_restore		NULL
+#define pm_generic_poweroff_noirq	NULL
+#define pm_generic_poweroff_late	NULL
 #define pm_generic_poweroff		NULL
 #define pm_generic_complete		NULL
 #endif /* !CONFIG_PM_SLEEP */