Merge pull request #9161 from mpg/doc-guards

[3.6 only] Document transitional feature macros / guards

tests/scripts/components-configuration-crypto.sh

@@ -1766,6 +1766,8 @@ config_psa_crypto_accel_rsa () {
     driver_only=$1
 
     # Start from crypto_full config (no X.509, no TLS)
+    # Note: PK will be ignored when comparing driver to reference in
+    # analyze_outcomes.py
     helper_libtestdriver1_adjust_config "crypto_full"
 
     if [ "$driver_only" -eq 1 ]; then