ARM: S3C64XX: fix building without CONFIG_PM_SLEEP

arch/arm/mach-s3c64xx/built-in.o: In function `s3c_pm_restore_core':
:(.text+0x5d0): undefined reference to `s3c_pm_do_restore_core'
:(.text+0x5d4): undefined reference to `s3c_pm_do_restore'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c_pm_save_core':
:(.text+0x60c): undefined reference to `s3c_pm_do_save'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c64xx_irq_pm_resume':
:(.text+0x670): undefined reference to `s3c_pm_do_restore'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c64xx_irq_pm_suspend':
:(.text+0x6d8): undefined reference to `s3c_pm_do_save'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c_cpu_resume':
:(.text+0x71c): undefined reference to `cpu_resume'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/mach-s3c64xx/pm.c

@@ -194,6 +194,7 @@ void s3c_pm_debug_smdkled(u32 set, u32 clear)
 }
 #endif
 
+#ifdef CONFIG_PM_SLEEP
 static struct sleep_save core_save[] = {
 	SAVE_ITEM(S3C64XX_MEM0DRVCON),
 	SAVE_ITEM(S3C64XX_MEM1DRVCON),
@@ -238,6 +239,7 @@ void s3c_pm_save_core(void)
 	s3c_pm_do_save(misc_save, ARRAY_SIZE(misc_save));
 	s3c_pm_do_save(core_save, ARRAY_SIZE(core_save));
 }
+#endif
 
 /* since both s3c6400 and s3c6410 share the same sleep pm calls, we
  * put the per-cpu code in here until any new cpu comes along and changes