arm/sharpsl: don't use flush_scheduled_work()

flush_scheduled_work() is deprecated and scheduled to be removed.
Directly flush toggle_charger and sharpsl_bat works on suspend
instead.
Signed-off-by: NTejun Heo <tj@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>

arch/arm/mach-pxa/sharpsl_pm.c

@@ -579,7 +579,8 @@ static int sharpsl_ac_check(void)
 static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	sharpsl_pm.flags |= SHARPSL_SUSPENDED;
-	flush_scheduled_work();
+	flush_delayed_work_sync(&toggle_charger);
+	flush_delayed_work_sync(&sharpsl_bat);
 
 	if (sharpsl_pm.charge_mode == CHRG_ON)
 		sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG;