pvr: mark pvr_sampler.c as per-arch

Acked-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38922>

src/imagination/vulkan/meson.build

@@ -39,6 +39,7 @@ pvr_files = files(
   'pvr_arch_job_render.c',
   'pvr_arch_job_transfer.c',
   'pvr_arch_pass.c',
+  'pvr_arch_sampler.c',
   'pvr_arch_spm.c',
   'pvr_arch_tex_state.c',
   'pvr_blit.c',
@@ -63,7 +64,6 @@ pvr_files = files(
   'pvr_queue.c',
   'pvr_robustness.c',
   'pvr_rt_dataset.c',
-  'pvr_sampler.c',
   'pvr_spm.c',
   'pvr_usc.c',
   'pvr_wsi.c',