Fix PCIe initialization on AR934x by clearing PLL_PWD bit in addition to
PPL(PLL?)_RESET bit of AR724x.
Refresh patches by `make target/linux/refresh`.
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/15432
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>