initial buildroot for linux 5.15

package/python-rsa/Config.in

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+config BR2_PACKAGE_PYTHON_RSA
+	bool "python-rsa"
+	depends on BR2_PACKAGE_PYTHON3
+	select BR2_PACKAGE_PYTHON_PYASN1 # runtime
+	help
+	  Python-RSA is a pure-Python RSA implementation. It supports
+	  encryption and decryption, signing and verifying signatures,
+	  and key generation according to PKCS\#1 version 1.5. It can
+	  be used as a Python library as well as on the command line.
+
+	  https://stuvel.eu/rsa

package/python-rsa/python-rsa.hash

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+# From https://pypi.org/project/rsa/
+sha256  9d689e6ca1b3038bc82bf8d23e944b6b6037bc02301a574935b2dd946e0353b9  rsa-4.7.2.tar.gz
+
+# Locally computed
+sha256	073f28b7d389c8fe74f607e17c27f81eaa5ace69edc43a884f23f41b41c5c726  LICENSE

package/python-rsa/python-rsa.mk

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+################################################################################
+#
+# python-rsa
+#
+################################################################################
+
+PYTHON_RSA_VERSION = 4.7.2
+PYTHON_RSA_SOURCE = rsa-$(PYTHON_RSA_VERSION).tar.gz
+PYTHON_RSA_SITE = https://files.pythonhosted.org/packages/db/b5/475c45a58650b0580421746504b680cd2db4e81bc941e94ca53785250269
+PYTHON_RSA_SETUP_TYPE = setuptools
+PYTHON_RSA_LICENSE = Apache-2.0
+PYTHON_RSA_LICENSE_FILES = LICENSE
+PYTHON_RSA_CPE_ID_VENDOR = python-rsa_project
+
+$(eval $(python-package))