hdl/top/afc_v3/*: add RAW ADC channels to acquitision

Previously, the ADC channels which were connected to
the acquisition core were the preprocessed ADC channels,
with the switching scheme and gains. Now, this was changed
to the RAW ADC samples, without any preprocessing.
hdl/ip_cores/general-cores: update submodule reference
hdl/ip_cores/dsp-cores: update submodule reference