Transceiver: Remove unsigned negative compares

Change-Id: I49f30699786c52736ef334dae61f7bbd65d878d5
Fixes: Coverity CID 149353, 149356
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp
index 4616fea..66eff7f 100644
--- a/Transceiver52M/Transceiver.cpp
+++ b/Transceiver52M/Transceiver.cpp
@@ -788,9 +788,9 @@
     // set TSC
     unsigned TSC;
     sscanf(buffer, "%3s %s %d", cmdcheck, command, &TSC);
-    if ((TSC < 0) || (TSC > 7))
+    if (TSC > 7) {
       sprintf(response, "RSP SETTSC 1 %d", TSC);
-    else {
+    } else {
       LOG(NOTICE) << "Changing TSC from " << mTSC << " to " << TSC;
       mTSC = TSC;
       sprintf(response,"RSP SETTSC 0 %d", TSC);