freedreno/fdperf: add dependency on generated headers

To fix an issue reported here:
https://bugs.chromium.org/p/chromium/issues/detail?id=1083815

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5088>

src/freedreno/perfcntrs/meson.build

@@ -42,7 +42,7 @@ dep_ncurses = dependency('ncurses', required : false)
 if dep_libconfig.found() and dep_ncurses.found()
   fdperf = executable(
     'fdperf',
-    'fdperf.c',
+    ['fdperf.c', freedreno_xml_header_files],
     include_directories : [
       inc_freedreno,
       inc_include,