tests: Migrate convtest util to autotest infrastructure

Change-Id: Ie682abf7e83de436d0f37f9f6e0664cb2f4d0c9e
diff --git a/.gitignore b/.gitignore
index bc6c036..2cc1b8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 tests/CommonLibs/URLEncodeTest
 tests/CommonLibs/VectorTest
 tests/CommonLibs/PRBSTest
+tests/Transceiver52M/convolve_test
 
 # automake/autoconf
 *.in