package/python-yamllint: new package

This host package is needed since u-boot 2024.04 for building ti defconfigs.

This is an requirement for using buildman/binman [1].

[1] https://source.denx.de/u-boot/u-boot/-/blob/v2024.04/tools/buildman/requirements.txt?ref_type=tags#L3

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

support/testing/tests/package/sample_python_yamllint.py

@@ -0,0 +1,13 @@
+# example form https://yamllint.readthedocs.io/en/stable/development.html
+
+from yamllint import (config, linter)
+
+data = '''---
+- &anchor
+  foo: bar
+- *anchor
+'''
+
+yaml_config = config.YamlLintConfig("extends: default")
+for p in linter.run(data, yaml_config):
+    print(p.desc, p.line, p.rule)