rockchip-armv8: add support for NanoPi R4S (#2633)

(cherry picked from commit dd30a6e6)

docs/user/supported_devices.rst

@@ -416,6 +416,7 @@ rockchip-armv8
 * FriendlyElec
 
   - NanoPi R2S
+  - NanoPi R4S (4GB LPDDR4)
 
 sunxi-cortexa7
 --------------

package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac

@@ -102,6 +102,7 @@ local primary_addrs = {
 		}},
 		{'rockchip', 'armv8', {
 			'friendlyarm,nanopi-r2s',
+			'friendlyarm,nanopi-r4s',
 		}},
 		{'x86'},
 	}},

targets/rockchip-armv8

@@ -4,3 +4,4 @@ defaults {
 }
 
 device('friendlyelec-nanopi-r2s', 'friendlyarm_nanopi-r2s')
+device('friendlyelec-nanopi-r4s', 'friendlyarm_nanopi-r4s') -- 4GB LPDDR4