Add code coverage for unit tests

Enable code coverage to run during CI testing.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I9d928122c9c629f1e74e8660f716f148afa2988a
diff --git a/.lcovrc b/.lcovrc
new file mode 100644
index 0000000..360a8b4
--- /dev/null
+++ b/.lcovrc
@@ -0,0 +1,3 @@
+geninfo_gcov_all_blocks = 1
+lcov_function_coverage = 1
+lcov_branch_coverage = 0