initial buildroot for linux 5.15

package/python-cheetah/Config.in

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+config BR2_PACKAGE_PYTHON_CHEETAH
+	bool "python-cheetah"
+	help
+	  Cheetah is an open source template engine and code
+	  generation tool.
+
+	  It can be used standalone or combined with other tools and
+	  frameworks. Web development is its principle use, but
+	  Cheetah is very flexible and is also being used to generate
+	  C++ game code, Java, sql, form emails and even Python code.
+
+	  https://pypi.org/project/Cheetah3/

package/python-cheetah/python-cheetah.hash

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+# From https://pypi.org/pypi/Cheetah3/json
+md5  42bb9da785974c7e4089aa754ff99a73  Cheetah3-3.2.6.post2.tar.gz
+sha256	63157d7a00a273b59676b5be5aa817c75c37efc88478231f1a160f4cfb7f7878  Cheetah3-3.2.6.post2.tar.gz
+# Locally computed sha256 checksums
+sha256  635349ae512fafc2e60eb74a50d0a5276fa06c00b5ecb20da53546449ddc45ea  LICENSE

package/python-cheetah/python-cheetah.mk

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+################################################################################
+#
+# python-cheetah
+#
+################################################################################
+
+# Please keep in sync with package/python3-cheetah/python3-cheetah.mk
+PYTHON_CHEETAH_VERSION = 3.2.6.post2
+PYTHON_CHEETAH_SOURCE = Cheetah3-$(PYTHON_CHEETAH_VERSION).tar.gz
+PYTHON_CHEETAH_SITE = https://files.pythonhosted.org/packages/c0/97/c3fa47e223207e6ca6b501a954c5c959ed3e99f2a1ceec9918238ce38418
+PYTHON_CHEETAH_LICENSE = MIT
+PYTHON_CHEETAH_LICENSE_FILES = LICENSE
+PYTHON_CHEETAH_SETUP_TYPE = setuptools
+
+$(eval $(python-package))
+$(eval $(host-python-package))