LMSDevice: Typo fix: s/Internal/External

Change-Id: Icacfe6da90a89c7f00d62c580948fb913998eaa7
diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp
index 9301cf4..c131aea 100644
--- a/Transceiver52M/device/lms/LMSDevice.cpp
+++ b/Transceiver52M/device/lms/LMSDevice.cpp
@@ -144,7 +144,7 @@
 			goto out_close;
 		break;
 	case REF_EXTERNAL:
-		LOG(DEBUG) << "Setting Internal clock reference to " << 10000000.0;
+		LOG(DEBUG) << "Setting External clock reference to " << 10000000.0;
 		/* Assume an external 10 MHz reference clock */
 		if (LMS_SetClockFreq(m_lms_dev, LMS_CLOCK_EXTREF, 10000000.0) < 0)
 			goto out_close;