Replace PCIe patch with upstream version and update DTS with new PBUS
CSR property now required.
Tested-by: Aleksander Jan Bajkowski <olek2@wp.pl> # tested on Quantum W1700k
Tested-by: Andrew LaMarche <andrewjlamarche@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18166
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>