ramips: Fix WiFi on Sercomm NA502 and NA502s
The WiFi chips are actually on PCIe1 and PCIe2, PCIe0 is empty. Fix the
assignment so that WiFi works properly again.
Signed-off-by: Andreas Böhler <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16807
Signed-off-by: Hauke Mehrtens <[email protected]>