coin: Split out offline documentation into separate yaml file

So it can be included both from qt5.yaml and Boot2Qt's doc.yaml

Amends 434e4a224a

Change-Id: I89d9a5d8d36096358d8cba7afb21b32f6074e200
Reviewed-by: Toni Saario <toni.saario@qt.io>
Reviewed-by: Matti Paaso <matti.paaso@qt.io>

coin/platform_configs/doc.yaml

@@ -1,4 +1,4 @@
 Version: 2
 Module only: True
-Include: [cmake_platforms.yaml]
+Include: [offline_documentation.yaml]
 Configurations: []

coin/platform_configs/offline_documentation.yaml

@@ -0,0 +1,13 @@
+Version: 2
+Include: []
+Configurations:
+-
+    # This configuration builds offline documentation for use in
+    # e.g. Qt Creator. It uses qdoc and qtattributionscanner from
+    # the same build. See also the 'documentation-warnings' config.
+    # FIXME: Add dependency on existing build for tools
+    Id: 'offline-documentation'
+    Template: 'qtci-linux-Ubuntu-22.04-x86_64-51'
+    Compiler: 'GCC'
+    Features: ['Sccache', 'DoNotRunTests', 'Documentation', 'UseConfigure']
+    Configure arguments: '-developer-build -nomake examples -nomake tests -linker gold'

coin/platform_configs/qt5.yaml

@@ -1,7 +1,8 @@
 Version: 2
 Include: [
     cmake_platforms.yaml,
-    address_sanitizer_platforms.yaml
+    address_sanitizer_platforms.yaml,
+    offline_documentation.yaml
 ]
 Configurations:
 # Test on Debian-11.6 Wayland
@@ -14,14 +15,3 @@ Configurations:
         'CMAKE_ARGS=-DOpenGL_GL_PREFERENCE=LEGACY'
     ]
     Platform dependency: 'debian-11.6-arm64'
-
--
-    # This configuration builds offline documentation for use in
-    # e.g. Qt Creator. It uses qdoc and qtattributionscanner from
-    # the same build. See also the 'documentation-warnings' config.
-    # FIXME: Add dependency on existing build for tools
-    Id: 'offline-documentation'
-    Template: 'qtci-linux-Ubuntu-22.04-x86_64-51'
-    Compiler: 'GCC'
-    Features: ['Sccache', 'DoNotRunTests', 'Documentation', 'UseConfigure']
-    Configure arguments: '-developer-build -nomake examples -nomake tests -linker gold'