tools: zstd: update to 1.5.7
This new version has some performance enhancements.
Changelog:
https://github.com/facebook/zstd/releases/tag/v1.5.7
Upstreamed patch:
001-Provide-variant-pkg-config-file-for-multi-threaded-s.patch[1]
[1] https://github.com/facebook/zstd/commit/
f1f1ae369a4cefd3474b3528e8d1847b18750605
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
Link: https://github.com/openwrt/openwrt/pull/18064
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit
ce67f0844987a9c3aac2ed510de9ddaaa1ed612f)