uhd: only the E100 supports FPGA timestamps and adjustable clock rate

Signed-off-by: Thomas Tsou <ttsou@vt.edu>

git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@2636 19bc5d8c-e614-43d4-8b26-e1612bc8e597
diff --git a/Transceiver52M/UHDDevice.cpp b/Transceiver52M/UHDDevice.cpp
index 07ae5c9..68aeb03 100644
--- a/Transceiver52M/UHDDevice.cpp
+++ b/Transceiver52M/UHDDevice.cpp
@@ -282,8 +282,8 @@
 {
 	LOG(INFO) << "creating USRP device...";
 
-	// Use the first available USRP2 / N210
-	uhd::device_addr_t dev_addr("type=usrp2");
+	// Use the first available USRP E100
+	uhd::device_addr_t dev_addr("type=usrp-e");
 	try {
 		usrp_dev = uhd::usrp::single_usrp::make(dev_addr);
 	}