vc4,v3d,v3dv: avoid compiling in unused sim_file field in the {vc4,v3d}_screen/v3dv_physical_device struct

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30287>

src/broadcom/vulkan/v3dv_private.h

@@ -162,7 +162,9 @@ struct v3dv_physical_device {
 
    struct v3d_device_info devinfo;
 
+#if USE_V3D_SIMULATOR
    struct v3d_simulator_file *sim_file;
+#endif
 
    const struct v3d_compiler *compiler;
    uint32_t next_program_id;

src/gallium/drivers/v3d/v3d_screen.c

@@ -84,8 +84,9 @@ v3d_screen_destroy(struct pipe_screen *pscreen)
         if (screen->ro)
                 screen->ro->destroy(screen->ro);
 
-        if (USE_V3D_SIMULATOR)
-                v3d_simulator_destroy(screen->sim_file);
+#if USE_V3D_SIMULATOR
+        v3d_simulator_destroy(screen->sim_file);
+#endif
 
         v3d_compiler_free(screen->compiler);
 

src/gallium/drivers/v3d/v3d_screen.h

@@ -87,7 +87,9 @@ struct v3d_screen {
         bool has_perfmon;
         bool nonmsaa_texture_size_limit;
 
+#if USE_V3D_SIMULATOR
         struct v3d_simulator_file *sim_file;
+#endif
 
 #ifdef ENABLE_SHADER_CACHE
         struct disk_cache *disk_cache;

src/gallium/drivers/vc4/vc4_screen.h

@@ -105,7 +105,9 @@ struct vc4_screen {
         bool has_perfmon_ioctl;
         bool has_syncobj;
 
+#if USE_V3D_SIMULATOR
         struct vc4_simulator_file *sim_file;
+#endif
 };
 
 static inline struct vc4_screen *