libcamera: device_enumerator: Fix wording of log message

The log message still refers to the DeviceInfo class that has been
removed. Replace it with a reference to MediaDevice.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/device_enumerator.cpp

@@ -153,7 +153,7 @@ DeviceEnumerator::~DeviceEnumerator()
 {
 	for (MediaDevice *dev : devices_) {
 		if (dev->busy())
-			LOG(Error) << "Removing device info while still in use";
+			LOG(Error) << "Removing media device while still in use";
 
 		delete dev;
 	}