package/sox: use old-format tarball hash
Fixes:
http://autobuild.buildroot.net/results/8185a765ba246f51e8b24b5bf2058b25b9b0c05c/
http://autobuild.buildroot.net/results/50fdcb3cff40249c2656caf3eb627b2e68a76a87/
Commit 6406e08e4e25dd (package/sox: security bump to latest git commit)
bumped the version of sox to a recent git hash, but added the tarball hash
using the new "br1" format, which has only been added post-2020.11.
Add the old-format hash to fix the build.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Peter Korsgaard