ARM: renesas: Update Gen3 PCIe dma-ranges before boot

Update "dma-ranges" DT property of all PCIe controllers in the system
with the up-to-date DRAM layout. This allows the PCIe controller take
full advantage of all the available DRAM.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/mach-rmobile/Kconfig b/arch/arm/mach-rmobile/Kconfig
index aafeb35..52ab891 100644
--- a/arch/arm/mach-rmobile/Kconfig
+++ b/arch/arm/mach-rmobile/Kconfig
@@ -21,6 +21,7 @@
 	imply CMD_GPT
 	imply CMD_UUID
 	imply CMD_MMC_SWRITE if MMC
+	imply OF_BOARD_SETUP if PCI
 	imply SUPPORT_EMMC_RPMB if MMC
 	imply SPL
 	imply SPL_BOARD_INIT