DSD demodulator updates
Added possibility to enable/disable the symbol PLL.
Since dsdcc version 1.7.1 the symbol synchronization can be done with a PLL fed by a ringing filter (narrow passband) tuned at the symbol rate and itself fed with the squared magnitude of the discriminator signal. For signals strong enough to lock the PLL this works significantly better than with the ringing filter alone that was the only option in versions <= 1.6.0. Version 1.7.0 had the PLL enabled permanently.
However with marginal signals the ringing filter alone and a few heuristics work better. This is why since DSDcc version 1.7.1 the PLL became optional.
This option can be controlled from the DSD demodulator GUI.
LimeSDR support updates
Fixed antenna selection in both input and output plugins.