gen: update due to sdbusplus-gen-meson change

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9491eb608d9c6849b3e39fe212054a3651bfb824
diff --git a/gen/org/open_power/OCC/PassThrough/meson.build b/gen/org/open_power/OCC/PassThrough/meson.build
index 9d4d8ea..3c22e15 100644
--- a/gen/org/open_power/OCC/PassThrough/meson.build
+++ b/gen/org/open_power/OCC/PassThrough/meson.build
@@ -3,6 +3,7 @@
     'org/open_power/OCC/PassThrough__cpp'.underscorify(),
     input: [ '../../../../../yaml/org/open_power/OCC/PassThrough.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
diff --git a/gen/org/open_power/OCC/Status/meson.build b/gen/org/open_power/OCC/Status/meson.build
index 5246b74..3b9c23b 100644
--- a/gen/org/open_power/OCC/Status/meson.build
+++ b/gen/org/open_power/OCC/Status/meson.build
@@ -3,6 +3,7 @@
     'org/open_power/OCC/Status__cpp'.underscorify(),
     input: [ '../../../../../yaml/org/open_power/OCC/Status.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
diff --git a/gen/org/open_power/OCC/meson.build b/gen/org/open_power/OCC/meson.build
index 9ae9edc..3eb1677 100644
--- a/gen/org/open_power/OCC/meson.build
+++ b/gen/org/open_power/OCC/meson.build
@@ -4,6 +4,7 @@
     'org/open_power/OCC/PassThrough__markdown'.underscorify(),
     input: [ '../../../../yaml/org/open_power/OCC/PassThrough.interface.yaml',  ],
     output: [ 'PassThrough.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
@@ -18,6 +19,7 @@
     'org/open_power/OCC/Status__markdown'.underscorify(),
     input: [ '../../../../yaml/org/open_power/OCC/Status.interface.yaml',  ],
     output: [ 'Status.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),