feat: split samples to sample and control bits

fix: remove asynchronous if from frame_alignment

chore: remove octets_to_sample, put its behavior to transport_layer

chore: rename some ports and generics to better match function

Merge pull request #25 from Rutherther/feat/subclass-1-support

Add subclass 1 support

tets: pass ci_multiframe_clk to jesd204b_link_rx

feat: update multipoint testbench to work with subclass 1

feat: add multipoint link support

tests: adjust tests for new changes

feat: rename jesd204b_rx to jesd204b_link_rx as it supports only one link

feat: make sync aligned to frame clock

Resolves #21

feat: move all link configuration to generic instead of ports

Configuration is same for one compilation, it cannot change.
Thus it does not make sense to be a port.
Resolves #13.

feat(tests): add tests for jesd204b_rx toplevel entity

chore: update frame alignment tb

Merge pull request #14 from Rutherther/feat/add-frame-clock

Add frame clock handling

feat: make frame alignment output aligned octets in frames instead of octets

feat: update frame alignment testbench to work with new frame alignment

tests: update octets_to_samples tests

feat: add ring_buffer for std_logic_vector

chore: add Quartus project with configured testbenches