gen: update due to sdbusplus-gen-meson change

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9491eb608d9c6849b3e39fe212054a3651bfb824
diff --git a/gen/xyz/openbmc_project/Dump/meson.build b/gen/xyz/openbmc_project/Dump/meson.build
index 279903c..720a8a3 100644
--- a/gen/xyz/openbmc_project/Dump/meson.build
+++ b/gen/xyz/openbmc_project/Dump/meson.build
@@ -4,6 +4,7 @@
     'xyz/openbmc_project/Dump/Create__markdown'.underscorify(),
     input: [ '../../../../yaml/xyz/openbmc_project/Dump/Create.interface.yaml',  ],
     output: [ 'Create.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
@@ -18,6 +19,7 @@
     'xyz/openbmc_project/Dump/Entry__markdown'.underscorify(),
     input: [ '../../../../yaml/xyz/openbmc_project/Dump/Entry.interface.yaml',  ],
     output: [ 'Entry.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
@@ -32,6 +34,7 @@
     'xyz/openbmc_project/Dump/NewDump__markdown'.underscorify(),
     input: [ '../../../../yaml/xyz/openbmc_project/Dump/NewDump.interface.yaml',  ],
     output: [ 'NewDump.md' ],
+    depend_files: sdbusplusplus_depfiles,
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),