Add meson build

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

In addition, fixed Layout::LedAction construct parameter error in test
file.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I58c9a2c9de928db288e77ca2d6aa807d36e70144
diff --git a/gen/meson.build b/gen/meson.build
new file mode 100644
index 0000000..50bb831
--- /dev/null
+++ b/gen/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+sdbuspp_gen_meson_ver = run_command(
+    sdbuspp_gen_meson_prog,
+    '--version',
+).stdout().strip().split('\n')[0]
+
+if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 1'
+    warning('Generated meson files from wrong version of sdbus++-gen-meson.')
+    warning(
+        'Expected "sdbus++-gen-meson version 1", got:',
+        sdbuspp_gen_meson_ver
+    )
+endif
+
diff --git a/gen/xyz/meson.build b/gen/xyz/meson.build
new file mode 100644
index 0000000..e4991ad
--- /dev/null
+++ b/gen/xyz/meson.build
@@ -0,0 +1,2 @@
+# Generated file; do not modify.
+subdir('openbmc_project')
diff --git a/gen/xyz/openbmc_project/Led/Fru/Monitor/meson.build b/gen/xyz/openbmc_project/Led/Fru/Monitor/meson.build
new file mode 100644
index 0000000..5339b24
--- /dev/null
+++ b/gen/xyz/openbmc_project/Led/Fru/Monitor/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+generated_sources += custom_target(
+    'xyz/openbmc_project/Led/Fru/Monitor__cpp'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Led/Fru/Monitor.errors.yaml',  ],
+    output: [ 'error.cpp', 'error.hpp',  ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Led/Fru/Monitor',
+    ],
+)
+
diff --git a/gen/xyz/openbmc_project/Led/Fru/meson.build b/gen/xyz/openbmc_project/Led/Fru/meson.build
new file mode 100644
index 0000000..f5310fb
--- /dev/null
+++ b/gen/xyz/openbmc_project/Led/Fru/meson.build
@@ -0,0 +1,16 @@
+# Generated file; do not modify.
+subdir('Monitor')
+generated_others += custom_target(
+    'xyz/openbmc_project/Led/Fru/Monitor__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Led/Fru/Monitor.errors.yaml',  ],
+    output: [ 'Monitor.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Led/Fru/Monitor',
+    ],
+    build_by_default: true,
+)
+
diff --git a/gen/xyz/openbmc_project/Led/Mapper/meson.build b/gen/xyz/openbmc_project/Led/Mapper/meson.build
new file mode 100644
index 0000000..89f0354
--- /dev/null
+++ b/gen/xyz/openbmc_project/Led/Mapper/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+generated_sources += custom_target(
+    'xyz/openbmc_project/Led/Mapper__cpp'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Led/Mapper.errors.yaml',  ],
+    output: [ 'error.cpp', 'error.hpp',  ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Led/Mapper',
+    ],
+)
+
diff --git a/gen/xyz/openbmc_project/Led/meson.build b/gen/xyz/openbmc_project/Led/meson.build
new file mode 100644
index 0000000..ce0db60
--- /dev/null
+++ b/gen/xyz/openbmc_project/Led/meson.build
@@ -0,0 +1,17 @@
+# Generated file; do not modify.
+subdir('Fru')
+subdir('Mapper')
+generated_others += custom_target(
+    'xyz/openbmc_project/Led/Mapper__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Led/Mapper.errors.yaml',  ],
+    output: [ 'Mapper.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Led/Mapper',
+    ],
+    build_by_default: true,
+)
+
diff --git a/gen/xyz/openbmc_project/meson.build b/gen/xyz/openbmc_project/meson.build
new file mode 100644
index 0000000..597580b
--- /dev/null
+++ b/gen/xyz/openbmc_project/meson.build
@@ -0,0 +1,2 @@
+# Generated file; do not modify.
+subdir('Led')