Input: eeti_ts: add CONFIG_PM_SLEEP to suspend/resume

Add CONFIG_PM_SLEEP to suspend/resume functions to fix the build warnings when CONFIG_PM_SLEEP is not selected. This is because sleep PM callbacks defined by SET_SYSTEM_SLEEP_PM_OPS are only used when the CONFIG_PM_SLEEP is enabled.

drivers/input/touchscreen/eeti_ts.c:268:12: warning: 'eeti_ts_suspend' defined but not used [-Wunused-function] drivers/input/touchscreen/eeti_ts.c:287:12: warning: 'eeti_ts_resume' defined but not used [-Wunused-function]

---
 drivers/input/touchscreen/eeti_ts.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

index 8fe5086..a6453b1 100644
@@ -264,7 +264,7 @@ static int eeti_ts_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int eeti_ts_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);

@@ -315,7 +315,7 @@ MODULE_DEVICE_TABLE(i2c, eeti_ts_id);
 static struct i2c_driver eeti_ts_driver = {
 	.driver = {
 		.name = "eeti_ts",
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 		.pm = &eeti_ts_pm,
 #endif
 	},

1.7.10.4