Switch ui/freetype to overlay convention

.orchestra/config/components.yml

@@ -6,7 +6,6 @@
 #@ load("/components/ui/cold_revng.lib.yml", "cold_revng_component")
 #@ load("/components/ui/mesa.lib.yml", "mesa_component")
 #@ load("/components/ui/libglvnd.lib.yml", "libglvnd_component")
-#@ load("/components/ui/freetype.lib.yml", "freetype_component")
 
 #@ load("/components/toolchain/arch/host.lib.yml", "host_toolchain_components")
 #@ load("/components/toolchain/arch/x86_64.lib.yml", "x86_64_toolchain_components")
@@ -28,7 +27,6 @@ components:
   ui/cold-revng: #@ cold_revng_component
   ui/mesa: #@ mesa_component
   ui/libglvnd: #@ libglvnd_component
-  ui/freetype: #@ freetype_component
 
   _: #@ template.replace(host_toolchain_components)
   _: #@ template.replace(x86_64_toolchain_components)

.orchestra/config/components/ui/freetype.lib.yml → .orchestra/config/components/ui/freetype.yml

+#@ load("@ytt:overlay", "overlay")
 #@ load("/lib/create_component.lib.yml", "single_build_component")
 
 #@ load("/global_options.lib.yml", "options")
@@ -30,6 +31,8 @@ dependencies:
   - clang-release
 #@ end
 
+#@overlay/match by=overlay.all, expects=1
+#@overlay/match-child-defaults missing_ok=True
 ---
-#@ freetype_component = single_build_component(**_freetype_args())
-
+components:
+  ui/freetype: #@ single_build_component(**_freetype_args())