ARM: dts: rmobile: Remove multiple unused DT properties on R-Car Gen3

Filter out dmas dma-names interrupt-parent interrupts interrupts-extended
interrupt-names interrupt-map interrupt-map-mask iommus DT properties on
R-Car Gen3, since they are not used by U-Boot and only take space.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
diff --git a/configs/r8a77995_draak_defconfig b/configs/r8a77995_draak_defconfig
index 562b80b..b1186ee 100644
--- a/configs/r8a77995_draak_defconfig
+++ b/configs/r8a77995_draak_defconfig
@@ -33,6 +33,8 @@
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
+CONFIG_OF_DTB_PROPS_REMOVE=y
+CONFIG_OF_REMOVE_PROPS="dmas dma-names interrupt-parent interrupts interrupts-extended interrupt-names interrupt-map interrupt-map-mask iommus"
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y