uboot-phytec

sandbox: Update test.dts for dynamic PCI device driver matching

At present we have two PCI buses in the test configuration. Both
buses have static device-tree config devices. Now we switch the
2nd bus to use dynamic PCI devices for testing.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>