[source] uboot-sunxi: add NanoPi M1 Plus board

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/bf6b3afa8cb06a3a11ffcce88c5b0fe98ed6e9f2

commit bf6b3afa8cb06a3a11ffcce88c5b0fe98ed6e9f2
Author: Luis Araneda <luaraneda at gmail.com>
AuthorDate: Thu Oct 19 00:18:38 2017 -0300

    uboot-sunxi: add NanoPi M1 Plus board
    
    Signed-off-by: Luis Araneda <luaraneda at gmail.com>
---
 package/boot/uboot-sunxi/Makefile | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/boot/uboot-sunxi/Makefile b/package/boot/uboot-sunxi/Makefile
index c5337c9..57bd67a 100644
--- a/package/boot/uboot-sunxi/Makefile
+++ b/package/boot/uboot-sunxi/Makefile
@@ -132,6 +132,12 @@ define U-Boot/Lamobo_R1
   BUILD_DEVICES:=sun7i-a20-lamobo-r1
 endef
 
+define U-Boot/nanopi_m1_plus
+  BUILD_SUBTARGET:=cortexa7
+  NAME:=NanoPi M1 Plus (H3)
+  BUILD_DEVICES:=sun8i-h3-nanopi-m1-plus
+endef
+
 define U-Boot/nanopi_neo
   BUILD_SUBTARGET:=cortexa7
   NAME:=U-Boot for NanoPi NEO (H3)
@@ -188,6 +194,7 @@ UBOOT_TARGETS := \
 	Linksprite_pcDuino \
 	Linksprite_pcDuino3 \
 	Lamobo_R1 \
+	nanopi_m1_plus \
 	nanopi_neo \
 	orangepi_r1 \
 	orangepi_plus \