Copyright for rust-target-lexicon source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: target-lexicon
Upstream-Contact: Dan Gohman 
Source: https://github.com/CraneStation/target-lexicon

Files: *
Copyright:
 2018-2020 Dan Gohman 
License: Apache-2.0 with LLVM exception

Files: debian/*
Copyright:
 2020 Debian Rust Maintainers 
 2020 Wolfgang Silbermayr 
License: Apache-2.0 with LLVM exception

License: Apache-2.0 with LLVM exception
 Debian systems provide the Apache 2.0 license in
 /usr/share/common-licenses/Apache-2.0
 .
 --- LLVM Exceptions to the Apache 2.0 License ----
 .
 As an exception, if, as a result of your compiling your source code, portions
 of this Software are embedded into an Object form of such source code, you
 may redistribute such embedded portions in such Object form without complying
 with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
 .
 In addition, if you combine or link compiled forms of this Software with
 software that is licensed under the GPLv2 ("Combined Software") and if a
 court of competent jurisdiction determines that the patent provision (Section
 3), the indemnity provision (Section 9) or other Section of the License
 conflicts with the conditions of the GPLv2, you may retroactively and
 prospectively choose to deem waived or otherwise exclude such Section(s) of
 the License, but only in their entirety and only with respect to the Combined
 Software.