test/scripts/components: Applied consistent style.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/tests/scripts/components-psasim.sh b/tests/scripts/components-psasim.sh
index d557cc5..bef53e4 100644
--- a/tests/scripts/components-psasim.sh
+++ b/tests/scripts/components-psasim.sh
@@ -10,7 +10,7 @@
 ################################################################
 
 # Helper function for controlling (start & stop) the psasim server.
-helper_psasim_server() {
+helper_psasim_server () {
     OPERATION=$1
     if [ "$OPERATION" == "start" ]; then
     (