compat.sh: ignore $VERIFY in PSK TYPE

There is no need to provide CA file in PSK. Thus VERIFY is
meaningless for PSK. This change omits the arguments passed to
the client and server for $VERIFY=YES.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/tests/compat.sh b/tests/compat.sh
index 02ffed2..bbe681b 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -959,7 +959,7 @@
             ;;
     esac
 
-    if [ "X$VERIFY" = "XYES" ];
+    if [ "X$VERIFY" = "XYES" ] && [ "$TYPE" != "PSK" ];
     then
         M_SERVER_ARGS="$M_SERVER_ARGS ca_file=data_files/test-ca_cat12.crt auth_mode=required"
         O_SERVER_ARGS="$O_SERVER_ARGS -CAfile data_files/test-ca_cat12.crt -Verify 10"