mkosi: Don't set -O ^orphan_file in centos stream 9 tools tree

mkosi.conf.d/10-centos/mkosi.conf

@@ -12,9 +12,6 @@ Environment=
         # fails to mount on duplicate filesystem UUIDs which happens when running tests in parallel so we use
         # ext4 instead.
         SYSTEMD_REPART_OVERRIDE_FSTYPE_ROOT=ext4
-        # The kernel versions in CentOS Stream 9 doesn't support orphan_file, but later versions of
-        # mkfs.ext4 enabled it by default, so we disable it explicitly.
-        SYSTEMD_REPART_MKFS_OPTIONS_EXT4="-O ^orphan_file"
 
 [Content]
 Packages=

mkosi.conf.d/10-centos/mkosi.conf.d/10-orphan-file.conf

@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Match]
+ToolsTreeDistribution=|!centos
+ToolsTreeRelease=|!9
+
+[Build]
+# The kernel versions in CentOS Stream 9 doesn't support orphan_file, but later versions of
+# mkfs.ext4 enabled it by default, so we disable it explicitly. Except that older versions
+# of mkfs.ext4 don't know about "orphan_file" so we skip it on some tools tree variants where
+# we know "orphan_file" is not supported.
+Environment=
+        SYSTEMD_REPART_MKFS_OPTIONS_EXT4="-O ^orphan_file"