Add SMART-AM60 Support (#338)

* add smart am60 board

* Add files via upload

Author: dy008

arch/arm64/boot/dts/rockchip/Makefile

@@ -386,6 +386,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-radxa-rock-5b+.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5-itx.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5t.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-som3588-cat.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-smart-am60.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-turing-rk1.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-mixtile-core3588e.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-toybrick-x0-android.dtb