rockchip: add FriendlyARM NanoPC T6 support

Author: coolsnowwolf

target/linux/rockchip/image/armv8.mk

@@ -123,6 +123,16 @@ define Device/friendlyarm_nanopi-neo3
 endef
 TARGET_DEVICES += friendlyarm_nanopi-neo3
 
+define Device/friendlyarm_nanopc-t6
+  DEVICE_VENDOR := FriendlyARM
+  DEVICE_MODEL := NanoPC T6
+  SOC := rk3588
+  UBOOT_DEVICE_NAME := nanopc-t6-rk3588
+  IMAGE/sysupgrade.img.gz := boot-common | boot-script | pine64-img | gzip | append-metadata
+  DEVICE_PACKAGES := kmod-r8125-rss 
+endef
+TARGET_DEVICES += friendlyarm_nanopc-t6
+
 define Device/friendlyarm_nanopi-r2c
   DEVICE_VENDOR := FriendlyARM
   DEVICE_MODEL := NanoPi R2C