ANDROID: GKI: rockchip: Add build script

Add build script for rockchip platform.

Bug: 194515348
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Change-Id: Id848456a233114bb270d1715a7262788bb467b58
diff --git a/build.config.rockchip b/build.config.rockchip
new file mode 100644
index 0000000..e7f0831
--- /dev/null
+++ b/build.config.rockchip
@@ -0,0 +1,8 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+
+DEFCONFIG=rockchip_aarch64_gki_defconfig
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_rockchip
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/common/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/common/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/common/arch/arm64/configs/rockchip_gki.config"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG}"
+