OMAP: omap_device: use UINT_MAX for default wakeup latency limit

The _dev_wakeup_lat_limit field of struct omap_device is u32, so use
UINT_MAX instead of INT_MAX for the default maximum.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/plat-omap/omap_device.c

@@ -459,7 +459,7 @@ int omap_device_enable(struct platform_device *pdev)
 	ret = _omap_device_activate(od, IGNORE_WAKEUP_LAT);
 
 	od->dev_wakeup_lat = 0;
-	od->_dev_wakeup_lat_limit = INT_MAX;
+	od->_dev_wakeup_lat_limit = UINT_MAX;
 	od->_state = OMAP_DEVICE_STATE_ENABLED;
 
 	return ret;