treewide: Create yaml directory

This allows the propagated yamldir paramter to work correctly in
subproject style builds. We don't want other files in the project
conflicting with tools that scan the yamldir.

Change-Id: Ie2759c7f3baf399392cdda0e507055ceb262d2e1
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/gen/xyz/openbmc_project/Collection/DeleteAll/meson.build b/gen/xyz/openbmc_project/Collection/DeleteAll/meson.build
index 87dc63f..c4e7086 100644
--- a/gen/xyz/openbmc_project/Collection/DeleteAll/meson.build
+++ b/gen/xyz/openbmc_project/Collection/DeleteAll/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Collection/DeleteAll__cpp'.underscorify(),
-    input: [ '../../../../../xyz/openbmc_project/Collection/DeleteAll.interface.yaml',  ],
+    input: [ '../../../../../yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../../..',
+        '--directory', meson.current_source_dir() / '../../../../../yaml',
         'xyz/openbmc_project/Collection/DeleteAll',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Collection/meson.build b/gen/xyz/openbmc_project/Collection/meson.build
index 311d958..f89ea96 100644
--- a/gen/xyz/openbmc_project/Collection/meson.build
+++ b/gen/xyz/openbmc_project/Collection/meson.build
@@ -2,13 +2,13 @@
 subdir('DeleteAll')
 generated_others += custom_target(
     'xyz/openbmc_project/Collection/DeleteAll__markdown'.underscorify(),
-    input: [ '../../../../xyz/openbmc_project/Collection/DeleteAll.interface.yaml',  ],
+    input: [ '../../../../yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml',  ],
     output: [ 'DeleteAll.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../..',
+        '--directory', meson.current_source_dir() / '../../../../yaml',
         'xyz/openbmc_project/Collection/DeleteAll',
     ],
 )