Add support to build only the tf-psa-crypto tree

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tf-psa-crypto/DartConfiguration.tcl b/tf-psa-crypto/DartConfiguration.tcl
new file mode 100644
index 0000000..af0578a
--- /dev/null
+++ b/tf-psa-crypto/DartConfiguration.tcl
@@ -0,0 +1,4 @@
+Site: localhost
+BuildName: Mbed TLS-test
+CoverageCommand: /usr/bin/gcov
+MemoryCheckCommand: /usr/bin/valgrind