Recommended udpate for libsigrokdecode
This recommended update for libsigrokdecode fixes the following issues:
- move decoders to a versioned subdirectory. (boo#918766)
- Keep the decoders under /usr/share/libsigrokdecode (unversioned) otherwise the library won't find them.
- Submitted by Dmitry Roshchin (Dmitry_R)
Fixed bugs
bnc#918766
libsigrokdecode2 does not provide any decoders