update .gitignore to include osmo-trx-lms

Change-Id: I52efd2f71eb61baa80427ab9f7b518f17d514792
diff --git a/.gitignore b/.gitignore
index 93c21e4..83c59d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *.la
 Transceiver52M/osmo-trx-uhd
 Transceiver52M/osmo-trx-usrp1
+Transceiver52M/osmo-trx-lms
 
 # tests
 tests/CommonLibs/BitVectorTest