Merge remote-tracking branch 'origin/doc-updates' into integration_2025_w33 (!3590)

Improve MAC docs for MCS and docker for BuildKit usage

See commits for details. The first one is for fixing an omission in
!3281, the second to clarify docker build usage.

Closes: #973

docker/Dockerfile.eNB.ubuntu

@@ -98,7 +98,7 @@ COPY --from=enb-build \
 
 # Now we are copying from builder-image the UHD files.
 COPY --from=enb-base /usr/local/bin/uhd_find_devices /usr/local/bin
-COPY --from=enb-base /usr/local/lib/libuhd.so.4.4.0 /usr/local/lib
+COPY --from=enb-base /usr/local/lib/libuhd.so.4.8.0 /usr/local/lib
 COPY --from=enb-base /usr/local/lib/uhd/utils/uhd_images_downloader.py /opt/oai-enb/bin
 
 RUN /bin/bash -c "ln -s /usr/local/lib/liboai_usrpdevif.so /usr/local/lib/liboai_device.so" && \
@@ -115,7 +115,7 @@ RUN /bin/bash -c "ln -s /usr/local/lib/liboai_usrpdevif.so /usr/local/lib/liboai
         /usr/local/lib/liboai_iqplayer.so \
         /usr/local/lib/libtelnetsrv.so \
         /usr/local/lib/libtelnetsrv_enb.so \
-        /usr/local/lib/libuhd.so.4.4.0
+        /usr/local/lib/libuhd.so.4.8.0
 
 WORKDIR /opt/oai-enb