intel/batch_decoder: Stop printing to stdout

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4597>

src/intel/common/gen_batch_decoder.c

@@ -378,7 +378,7 @@ handle_media_interface_descriptor_load(struct gen_batch_decode_ctx *ctx,
       }
 
       ctx_disassemble_program(ctx, ksp, "compute shader");
-      printf("\n");
+      fprintf(ctx->fp, "\n");
 
       dump_samplers(ctx, sampler_offset, sampler_count);
       dump_binding_table(ctx, binding_table_offset, binding_entry_count);
@@ -540,7 +540,7 @@ decode_single_ksp(struct gen_batch_decode_ctx *ctx, const uint32_t *p)
 
    if (is_enabled) {
       ctx_disassemble_program(ctx, ksp, type);
-      printf("\n");
+      fprintf(ctx->fp, "\n");
    }
 }