rockchip: add RUMU3F FINE 3399 support

Author: coolsnowwolf

package/boot/uboot-rockchip/Makefile

@@ -145,6 +145,16 @@ define U-Boot/xiaobao-nas-v1-rk3399
     codinge_xiaobao-nas-v1
 endef
 
+define U-Boot/fine-3399-rk3399
+  $(U-Boot/rk3399/Default)
+  NAME:=Fine 3399
+  BUILD_DEVICES:= \
+    rumu3f_fine-3399
+  DEPENDS:=+PACKAGE_u-boot-$(1):rkbin-rk3399
+  ATF:=rk3399_bl31_v1.36.elf
+  USE_RKBIN:=1
+endef
+
 define U-Boot/guangmiao-g4c-rk3399
   $(U-Boot/rk3399/Default)
   NAME:=GuangMiao G4C
@@ -314,6 +324,7 @@ UBOOT_TARGETS := \
   sige3-rk3568 \
   station-p2-rk3568 \
   dlfr100-rk3399 \
+  fine-3399-rk3399 \
   h3399pc-rk3399 \
   king3399-rk3399 \
   mpc1903-rk3399 \

package/boot/uboot-rockchip/patches/319-rockchip-rk3399-Add-support-for-rumu3f-fine-3399.patch

@@ -0,0 +1,11 @@
+--- a/arch/arm/dts/Makefile
++++ b/arch/arm/dts/Makefile
+@@ -157,6 +157,7 @@
+ 	rk3399-nanopi-m4b.dtb \
+ 	rk3399-nanopi-neo4.dtb \
+ 	rk3399-nanopi-r4s.dtb \
+	rk3399-nanopi-r4se.dtb \
++	rk3399-fine-3399.dtb \
+ 	rk3399-orangepi.dtb \
+ 	rk3399-pinebook-pro.dtb \
+