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33c9db62d4
Currently, we have a copy of the LZMA SDK code, version 9.20, with small updates. The original import of the LZMA SDK included a script to update the library. This is no longer possible, due to important local changes, so remove it. We also remove a number of extra text files that should be unchanged from upstream, but provide no direct value to the project. Instead, have the help text for LZMA note that this comes from the LZMA SDK. Next, we move our code up to the current release, 25.01. There are a number of new header files, and some performance improvements made to the code, at the cost of between 2 to 3 kilobytes in binary size. As there is now a Kconfig option to disable this and retain similar speed to what we have currently, the default option is to make this trade-off. Our changes to the code around calling schedule() to avoid the watchdog being triggered are kept. We add __UBOOT__ guards in two places to prevent conflict with our own usage of these words on MIPS. Signed-off-by: Tom Rini <trini@konsulko.com>