rk3588: add rk3588 security dm-v base config

Append security base config to BoardConfig, like:

REALDIR=`dirname $(readlink -f ${BASH_SOURCE[0]})`
source ${REALDIR}/BoardConfig-security-base.mk

MUST add it at the end of BoardConfig, so that
the parameter can't be recovered.

Signed-off-by: Zain Wang <wzz@rock-chips.com>
Change-Id: Ibdd183c1d37cd885587bb44e6c2b98ab9cba2cff

rk3588/BoardConfig-security-base.mk

@@ -0,0 +1,11 @@
+#!/bin/bash
+export RK_LOADER_UPDATE_SPL=true
+
+# ramboot config
+export RK_CFG_RAMBOOT=rockchip_rk3588_ramboot
+# Set ramboot image type
+export RK_RAMBOOT_TYPE=CPIO
+# Define enable RK SECUREBOOT
+export RK_RAMDISK_SECURITY_BOOTUP=true
+export RK_SECURITY_OTP_DEBUG=true
+export RK_SYSTEM_CHECK_METHOD=DM-V