check_names: don't build what we don't need

We only look at symbols in the library, so don't bother building tests.

No semantic change.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

scripts/check_names.py

diff --git a/scripts/check_names.py b/scripts/check_names.py
index 1afbb8a..24b0c4a 100755
--- a/scripts/check_names.py
+++ b/scripts/check_names.py
@@ -797,7 +797,7 @@
                 check=True
             )
             subprocess.run(
-                ["cmake", "--build", "."],
+                ["cmake", "--build", ".", "-t", "tfpsacrypto"],
                 env=my_environment,
                 universal_newlines=True,
                 stdout=subprocess.PIPE,
@@ -968,7 +968,7 @@
                 check=True
             )
             subprocess.run(
-                ["cmake", "--build", "."],
+                ["cmake", "--build", ".", "-t", "lib"],
                 env=my_environment,
                 universal_newlines=True,
                 stdout=subprocess.PIPE,