HQPlayer 5 Embedded 5.2.0 released!

Added refresh devices button to config page and setting to adjust FFT filter length. Enable number of PCM filters for SDM oversampling. Redesign IIR filter and add new IIR2 filter. Extended set of halfband filters. Make sinc-short/medium/long filters two-stage for SDM outputs. Performance optimizations. Component updates and bug fixes.