Extend XRFDC driver for MTS support

[dspsandbox]

• MTS logic and documentation included in xrfdc driver
• Update xrfclk driver documentation (was outdated)
• Add LMK04208 config files for 128MHz and 258MHz (useful for MTS on ZCU111)

[schelleg]

hi @dspsandbox - thank you for this nice contribution...

could you remove the .so file? We rebuild that as part of the sdbuild process.

we are about to release v3.0 and would like to accept this right after in a image_v3.1 branch ... at that point, we'll be able to evaluate and commit on top if we see any issue with a 2022.1 build

[codecov-commenter]

Codecov Report

Merging #1384 (6204053) into image_v2.8 (59515a9) will decrease coverage by 1.11%. The diff coverage is n/a.

@@              Coverage Diff               @@
##           image_v2.8    #1384      +/-   ##
==============================================
- Coverage       46.47%   45.35%   -1.12%     
==============================================
  Files              28       29       +1     
  Lines            4953     5137     +184     
  Branches          971     1036      +65     
==============================================
+ Hits             2302     2330      +28     
- Misses           2594     2748     +154     
- Partials           57       59       +2     

Impacted Files	Coverage Δ
pynq/utils.py	23.57% <0.00%> (-0.55%)	:arrow_down:
pynq/pl_server/hwh_parser.py	17.24% <0.00%> (-0.41%)	:arrow_down:
pynq/overlay.py	33.48% <0.00%> (-0.16%)	:arrow_down:
pynq/ps.py	100.00% <0.00%> (ø)
pynq/lib/__init__.py	100.00% <0.00%> (ø)
pynq/_3rdparty/xclbin.py	100.00% <0.00%> (ø)
pynq/pl_server/xclbin_parser.py	0.00% <0.00%> (ø)
pynq/pl_server/embedded_device.py	0.00% <0.00%> (ø)
pynq/lib/debugbridge.py	10.86% <0.00%> (ø)
pynq/pl_server/xrt_device.py	29.48% <0.00%> (+0.30%)	:arrow_up:
... and 1 more

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[dspsandbox]

Happy to hear that @schelleg, I have just update the PR. Best regards, Pau