Add device tree (dtsi) files for the Freescale P5040 SOC.  Since this
SOC introduces SEC v5.2, add the dtsi file for that also.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>