ctest: PDCCH test skips 100PRB for non AVX2 machines

The current 8-bit Viterbi decoder implementation for SSE (non-AVX2)
is not accurate enough to reliably decode all messages with a
code rate ~0.9 or higher, e.g. DCI format 2/2A messages in 100 PRB cell
at aggregation level 0.

lib/src/phy/phch/test/CMakeLists.txt

@@ -199,8 +199,9 @@ add_executable(pdcch_test pdcch_test.c)
 target_link_libraries(pdcch_test srsran_phy)
 
 foreach (nof_prb 6 15 25 50 75 100)
-    # Currently, the ARM platforms srsRAN has been tested are not capable of running 100PRB. So, skip 100 PRB in ARM
+    # Currently, the ARM and SSE platforms srsRAN has been tested are not capable of running 100PRB. So, skip 100 PRB in
-    if (HAVE_NEON AND (${nof_prb} EQUAL 100))
+    # ARM and SSE.
+    if ((HAVE_NEON OR NOT HAVE_AVX2) AND (${nof_prb} EQUAL 100))
         continue()
     endif ()
     foreach (nof_ports 1 2)