Add meson build

This commit is to add meson build.
and later, we will remove Autotools and replace it with meson build.

Tested: built openpower-occ-control successfully and Unit test passes.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I7f5fbc7150194a78f9b36bb256613fc70b834130
diff --git a/gen/org/open_power/OCC/Device/meson.build b/gen/org/open_power/OCC/Device/meson.build
new file mode 100644
index 0000000..0f287ad
--- /dev/null
+++ b/gen/org/open_power/OCC/Device/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+generated_sources += custom_target(
+    'org/open_power/OCC/Device__cpp'.underscorify(),
+    input: [ '../../../../../org/open_power/OCC/Device.errors.yaml',  ],
+    output: [ 'error.cpp', 'error.hpp',  ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.current_source_dir() / '../../../../..',
+        'org/open_power/OCC/Device',
+    ],
+)
+