v8.1.0

• ADDED: 2AMi18o18mssaax build config (MIDI, SPDIF Rx/Tx & ADAT Rx/Tx)
• ADDED: 2AMi16o16xxxaax build config (ADAT Rx/Tx)
• ADDED: 2AMi8o8mxxxxx build config (MIDI)
• CHANGED: Use lib_sw_pll code for configuring the application PLL
• FIXED: Use correct number of flash pages for XK-AUDIO-316-MC
• FIXED: Links to usb.org in documentation
• Changes to dependencies:
  • lib_adat: 1.1.0 -> 1.2.0
    • CHANGED: example applications now run on xcore.ai hardware
    • CHANGED: example applications build using XCommon CMake
  • lib_sw_pll: 2.1.0 -> 2.2.0
    • FIXED: Enable PLL output after delay to allow it to settle
    • FIXED: Fixed frequency settings for 11,289,600Hz
  • lib_xua: 4.0.0 -> 4.1.0
    • ADDED: MIDI unit and sub-system tests
    • CHANGED: Only the minimum number of ADAT input formats are enabled
      based on the supported sample rates
    • CHANGED: Enabling ADAT tx enables different channel count interface
      alts, based on sample rate
    • CHANGED: Input audio buffer size and the exit condition underflow
      modified to to fix buffer underflow in some configurations
    • CHANGED: CT_END token based handshake in MIDI channels transactions,
      reducing opportuninity for deadlock
    • FIXED: Device fails to enumerate when ADAT and S/PDIF transmit are
      enabled
    • FIXED: Update software PLL at the correct rate for ADAT S/MUX
    • FIXED: Incorrect internal input EP count for input only devices
    • FIXED: Samples transferred to ADAT tx too frequently in TDM mode
    • FIXED: S/MUX not initialised to a value based on DEFAULT_FREQ in
      clockgen
    • FIXED: Trap when moving to DSD mode on XS3A based devices