napatech: load plugin by default

Issue: 7165

configure.ac

@@ -1903,9 +1903,12 @@
 
     if test "x$enable_napatech" = "xyes"; then
         AM_CONDITIONAL([BUILD_NAPATECH], [true])
+        napatech_comment=""
     else
         AM_CONDITIONAL([BUILD_NAPATECH], [false])
+        napatech_comment="#"
     fi
+    AC_SUBST([napatech_comment])
 
   # libmaxminddb
     AC_ARG_ENABLE(geoip,

suricata.yaml.in

@@ -81,6 +81,7 @@ stats:
 # Plugins -- Experimental -- specify the filename for each plugin shared object
 plugins:
   @pfring_comment@- @prefix@/lib/@PACKAGE_NAME@/pfring.so
+  @napatech_comment@- @prefix@/lib/@PACKAGE_NAME@/napatech.so
 # - /path/to/plugin.so
 
 # Configure the type of alert (and other) logging you would like.