mfd: twl6040: Fix typo for power on failure

Fix old copy paste bug:
automatic power-down failed -> automatic power-up failed

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index 3f2a1cf..b220aa2 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -258,7 +258,7 @@
 			ret = twl6040_power_up_completion(twl6040, naudint);
 			if (ret) {
 				dev_err(twl6040->dev,
-					"automatic power-down failed\n");
+					"automatic power-up failed\n");
 				twl6040->power_count = 0;
 				goto out;
 			}