zink: make unsupported blit formats an error

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16071>

src/gallium/drivers/zink/zink_blit.c

@@ -317,7 +317,7 @@ zink_blit(struct pipe_context *pctx,
 
 
    if (!util_blitter_is_blit_supported(ctx->blitter, info)) {
-      debug_printf("blit unsupported %s -> %s\n",
+      mesa_loge("ZINK: blit unsupported %s -> %s",
               util_format_short_name(info->src.resource->format),
               util_format_short_name(info->dst.resource->format));
       goto end;