tdehw: make rtc devices appear as Timekeeping rather than Mainboard devices

Signed-off-by: Alexander Golubev <fatzer2@gmail.com>

tdecore/tdehw/tdehardwaredevices.cpp

@@ -2151,7 +2151,8 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
 		if (devicesubsystem == "nd") {
 			if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
 		}
-		if (devicesubsystem == "ptp") {
+		if (devicesubsystem == "ptp"
+			|| (devicesubsystem == "rtc")) {
 			if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Timekeeping);
 		}
 		if (devicesubsystem == "leds") {
@@ -2185,8 +2186,7 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
 		if (devicesubsystem == "mmc") {
 			if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
 		}
-		if ((devicesubsystem == "event_source")
-			|| (devicesubsystem == "rtc")) {
+		if (devicesubsystem == "event_source") {
 			if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mainboard);
 		}
 		if (devicesubsystem == "bsg") {