The outbound memory window registers were being referenced
with an incorrect stride offset.  This probably wasn't noticed
previously as there was likely only one such window employed.


Link: https://lore.kernel.org/r/20200507201544.43432-3-james.quinlan@broadcom.com
Fixes: c0452137 ("PCI: brcmstb: Add Broadcom STB PCIe host controller driver")
Signed-off-by: NJim Quinlan <jquinlan@broadcom.com>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: NFlorian Fainelli <f.fainelli@gmail.com>
Acked-by: NNicolas Saenz Julienne <nsaenzjulienne@suse.de>