Copyright for mobile-broadband-provider-info source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: mobile-broadband-provider-info
Source: https://wiki.gnome.org/Projects/NetworkManager/MobileBroadband/ServiceProviders

Files: *
Copyright: 2008-2022 Antti Kaijanmäki ,
           Dan Williams , Jiří Klimeš 
License: public-domain

Files: debian/*
Copyright: 2009 Daniel Baumann 
           2009-2017 Bhavani Shankar 
           2016 W. Martin Borgert 
           2019-2022 Graham Inggs 
License: public-domain

License: public-domain
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