powerpc/fsl-pci: add fsl,qoriq-pcie-v2.4 compatible string

The PCI controller on the Freescale P5040 is v2.4.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
1 file changed