
Reserve 4 kiB of space in 64bit R-Car DTs when those DTs are compiled to permit patching in OpTee-OS /firmware node, /reserved-memory node, possibly also additional /memory@ nodes and RPC node by TFA. This duplicates behavior in arch/arm/dts/Makefile with OF_UPSTREAM. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Sumit Garg <sumit.garg@linaro.org>