in app_io_xran_interface():
- remove sector loops: we have only one
- remove useless global var
- explicit interface type

The statements had no effect; when testing, replacing '\n' by '\0' made
the sample app not load the config. Hence, simply remove these
statements.

- use separate Findxran.cmake file
- verify headers of xran lib is present
- require DPDK
- avoid environment variables

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

- update library location
- correct information for ioWorker
- disable HT on servers
- add local/lib trick for Fedora-based OS. Also clean-up on line terminations
- add another pkg-config trick.
- Proper version(s) of DPDK
- Support for both Bronze and E releases
- Minor fixes on E-patches and build system
- fixed a few typos and better explanation of the CPU allocation scheme
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

integration_2023_w41

See merge request oai/openairinterface5g!2394

* !2389 Remove global variable rx_spatial_power
* !2364 NR UE PUCCH2 sanitize errors
* !2352 Break DCI processing function into smaller pieces
* !2391 Remove calloc from L1 at CSIRS_PDU conversion function
* !2393 Fix UE assertion due to PUCCH resource lookup all BWPs
* !2307 Improve documentation for L2sim Readme
* !2310 doc(websvr): how to install properly the dependencies