pci: layerscape: Move streamId allocation to common device tree fixup

Move streamId allocation to layerscape common device tree fixup.
Calculate streamId based on SoC variant.

Signed-off-by: Wasim Khan <wasim.khan@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
4 files changed