A longer link startup timeout is required when certain PCI switches are
attached to the root complex.  This was tested with a Pericom switch
and a PLX switch.
Signed-off-by: NMarek Vasut <marex@denx.de>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NTim Harvey <tharvey@gateworks.com>
Acked-by: NShawn Guo <shawn.guo@linaro.org>