rockchip: rk35xx: Enable fdtoverlay and kernel compression

Add fdtoverlay_addr_r, kernel_comp_addr_r and imply use of
OF_LIBFDT_OVERLAY on RK3568 and RK3588 to support fdtoverlay
and kernel compression.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 50edef0..ce632f7 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -290,6 +290,7 @@
 	select DM_RESET
 	imply SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
 	imply ROCKCHIP_COMMON_BOARD
+	imply OF_LIBFDT_OVERLAY
 	imply ROCKCHIP_OTP
 	imply MISC_INIT_R
 	help
@@ -312,6 +313,7 @@
 	select BOARD_LATE_INIT
 	imply SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
 	imply ROCKCHIP_COMMON_BOARD
+	imply OF_LIBFDT_OVERLAY
 	imply ROCKCHIP_OTP
 	imply MISC_INIT_R
 	help