Prepping for 8.4

* Multilib changes
* Rocky pre-population list changed
* Variants modified to add RT (commented for now)

multilib.conf

@@ -6,6 +6,8 @@ multilib_blacklist = {
         "totem",
         "ocaml*",
         "fwupd*",
+        "gcc-toolset-10-systemtap*",
+        "gcc-toolset-10-dyninst-*",
     ],
 }
 
@@ -15,6 +17,7 @@ multilib_whitelist = {
          "valgrind",
          "papi",
 	       "gcc-toolset-9-valgrind",
+	       "gcc-toolset-10-valgrind",
          "p11-kit-trust",
     ],
 }

variants.xml

@@ -287,8 +287,14 @@
     <arches>
       <arch>aarch64</arch>
       <arch>ppc64le</arch>
-      <arch>s390x</arch>
       <arch>x86_64</arch>
     </arches>
   </variant>
+  <!-- Not available yet
+  <variant id="RT" name="RT" type="variant">
+    <arches>
+      <arch>x86_64</arch>
+    </arches>
+  </variant>
+  -->
 </variants>