add rk809 spk hp

hc

2023-02-15 812ded0d8d6800728c4c11abed7546d735449123

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config BR2_PACKAGE_PYTHON_ECDSA
    bool "python-ecdsa"
    help
      ECDSA cryptographic signature library (pure python).
 
      http://github.com/warner/python-ecdsa