lms: Allow setting Tx/RxFreq for lchan!=0

Related: OS#3346
Change-Id: I9dd0bb41d1863111d28947fc0d7c7e7ecfaf5fa8
diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp
index 21bcece..8f3d8e1 100644
--- a/Transceiver52M/device/lms/LMSDevice.cpp
+++ b/Transceiver52M/device/lms/LMSDevice.cpp
@@ -601,12 +601,6 @@
 
 bool LMSDevice::setTxFreq(double wFreq, size_t chan)
 {
-
-	if (chan) {
-		LOGC(DDEV, ALERT) << "Invalid channel " << chan;
-		return false;
-	}
-
 	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_TX, chan, wFreq) < 0) {
 		LOGC(DDEV, ALERT) << "set Tx: " << wFreq << " failed!";
 		return false;
@@ -617,11 +611,6 @@
 
 bool LMSDevice::setRxFreq(double wFreq, size_t chan)
 {
-	if (chan) {
-		LOGC(DDEV, ALERT) << "Invalid channel " << chan;
-		return false;
-	}
-
 	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_RX, chan, wFreq) < 0) {
 		LOGC(DDEV, ALERT) << "set Rx: " << wFreq << " failed!";
 		return false;