Move the host initialization related operations into a new
function so that it can be reused by other platform
PCIe host drivers integrating the Mobiveil GPEX.
Signed-off-by: NHou Zhiqiang <Zhiqiang.Hou@nxp.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: NAndrew Murray <amurray@thegoodpenguin.co.uk>