powerpc: dts: p2020: Make PCIe nodes compatible for Linux kernel driver

Linux P2020 PCIe kernel driver uses compatible string fsl,mpc8548-pcie and
needs more DT properties. Copy P2020 PCIe nodes and definitions from
upstream Linux kernel.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
1 file changed