Addition of Fabric adapter interface

This commit adds an interface to define attributes of a
Fabric adapter.

Current use case:
Pcie cards need to implement this interface to be modeled as
fabric adapter via Redfish schema.

Signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
Change-Id: Id6dcd3e539246a37f6a886f724d8d5b3a2737133
diff --git a/gen/xyz/openbmc_project/Inventory/Item/meson.build b/gen/xyz/openbmc_project/Inventory/Item/meson.build
index b243fb1..95c73a8 100644
--- a/gen/xyz/openbmc_project/Inventory/Item/meson.build
+++ b/gen/xyz/openbmc_project/Inventory/Item/meson.build
@@ -177,6 +177,21 @@
     build_by_default: true,
 )
 
+subdir('FabricAdapter')
+generated_others += custom_target(
+    'xyz/openbmc_project/Inventory/Item/FabricAdapter__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Inventory/Item/FabricAdapter.interface.yaml',  ],
+    output: [ 'FabricAdapter.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Inventory/Item/FabricAdapter',
+    ],
+    build_by_default: true,
+)
+
 subdir('Fan')
 generated_others += custom_target(
     'xyz/openbmc_project/Inventory/Item/Fan__markdown'.underscorify(),