Add Python requirements from framework/util

Any `all.sh` component that runs a script that requires a more recent
version of Python must have a `support_xxx` function that checks for the
requisite Python version or package. At this time, there is no such
requirement yet in the mbedtls repository.

The directory `framework/util` is not yet checked by `pylint` or `mypy`,
because we use older versions of these tools that don't work well with
modern Python versions.

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

tests/scripts/components-basic-checks.sh

@@ -14,6 +14,16 @@ component_check_recursion () {
     ./framework/scripts/recursion.pl library/*.c
 }
 
+support_check_generated_files () {
+    # Add requirements on the Python installation here for
+    # the sake of check_committed_generated_files.py in mbedtls.
+    #
+    # Check the Python version, not the presence of the package,
+    # because the CI runs `all.sh --list-components` outside of the
+    # venv that has our desired packages.
+    :
+}
+
 component_check_generated_files () {
     msg "Check make_generated_files.py consistency"
     $MAKE_COMMAND neat