Since SoC specific compatible strings are used for PCIe in
dra74x.dtsi and dra72x.dtsi, remove the compatible property
from dra7.dtsi which uses the deprecated compatible string.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>