i2c: mv64xxx: Fix transfer error code

The driver returns -ENODEV as error code if it did not get an ACK
from the device. Per Documentation/i2c/fault-codes, it should
return -ENXIO.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 7a0e39b..ed85457 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -280,7 +280,7 @@
 		/* Doesn't seem to be a device at other end */
 		drv_data->action = MV64XXX_I2C_ACTION_SEND_STOP;
 		drv_data->state = MV64XXX_I2C_STATE_IDLE;
-		drv_data->rc = -ENODEV;
+		drv_data->rc = -ENXIO;
 		break;
 
 	default: