Fix ltssm crashes on BPI-Rx boards.
Seems read32/write32 using wrong address which
is not a problem on x86/64 PCI controllers.
But have issues on BPI-Rx boards.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/15945
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>