all.sh: Update clean-up of Makefiles generated by CMake

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 015a329..599b4f7 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -331,6 +331,7 @@
     # Remove Makefiles generated by in-tree CMake builds
     rm -f 3rdparty/Makefile 3rdparty/*/Makefile pkgconfig/Makefile framework/Makefile
     rm -f include/Makefile programs/!(fuzz)/Makefile
+    rm -f tf-psa-crypto/Makefile tf-psa-crypto/include/Makefile
 
     # Remove any artifacts from the component_test_cmake_as_subdirectory test.
     rm -rf programs/test/cmake_subproject/build