Group all packages in a kernel specific repo

catalog.cfg

@@ -2,7 +2,7 @@ package {
   name: "kernel"
   type: 2
   repository {
-    name: "AppStream"
+    name: "Kernel"
     include_filter: "kernel-debug-devel-matched.aarch64"
     include_filter: "kernel-debug-devel.aarch64"
     include_filter: "kernel-devel-matched.aarch64"
@@ -30,9 +30,6 @@ package {
     include_filter: "kernel-devel.x86_64"
     include_filter: "kernel-headers.x86_64"
     include_filter: "perf.x86_64"
-  }
-  repository {
-    name: "BaseOS"
     include_filter: "bpftool.aarch64"
     include_filter: "kernel-abi-stablelists.noarch"
     include_filter: "kernel-core.aarch64"
@@ -85,9 +82,6 @@ package {
     include_filter: "kernel-tools.x86_64"
     include_filter: "kernel.x86_64"
     include_filter: "python3-perf.x86_64"
-  }
-  repository {
-    name: "CRB"
     include_filter: "kernel-cross-headers.aarch64"
     include_filter: "kernel-tools-libs-devel.aarch64"
     include_filter: "kernel-cross-headers.ppc64le"