Fix-ups for the BCM root complex when it is located behind an AXI
bridge and clocked with 54MHz. Some are from kernel commit
377bced88c326, some where picked by Oleksii off a now-stale older
branch. All reworked for the simpler setup code in U-Boot.
Signed-off-by: Torsten Duwe <duwe@suse.de>
Co-authored-by: Oleksii Moisieiev <oleksii_moisieiev@epam.com>
Tested-by: Pedro Falcato <pfalcato@suse.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
de9ea19cf7