rockchip: add FriendlyARM NanoPi R6S support

Author: coolsnowwolf

target/linux/rockchip/image/armv8.mk

@@ -183,6 +183,16 @@ define Device/friendlyarm_nanopi-r5s
 endef
 TARGET_DEVICES += friendlyarm_nanopi-r5s
 
+define Device/friendlyarm_nanopi-r6s
+  DEVICE_VENDOR := FriendlyARM
+  DEVICE_MODEL := NanoPi R6S
+  SOC := rk3588s
+  UBOOT_DEVICE_NAME := nanopi-r6s-rk3588s
+  IMAGE/sysupgrade.img.gz := boot-common | boot-script | pine64-img | gzip | append-metadata
+  DEVICE_PACKAGES := kmod-r8125-rss 
+endef
+TARGET_DEVICES += friendlyarm_nanopi-r6s
+
 define Device/firefly_station-p2
   DEVICE_VENDOR := Firefly
   DEVICE_MODEL := Station P2