package/lzma: add license
- lzma program is licensed under GPL-2.0+
- lzmadec program has no license information in source file
- lzmainfo program is licensed under LGPL-2.1+
- LzmaDecode.h is licensed under LGPL-2.1+ (or CPL) as stated in
src/sdk/7zip/Compress/LZMA_C/LzmaDecode.{c,h}, other sdk files have no
license information
- lzmore and lzgrep scripts are licensed under GPL-2.0+
- lzdiff script has no license information
- basic and perms tests are licensed under GPL-3.0+
- mkdtemp and test-lib.sh tests have no license information
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>