Bump buidlroot version to 2018.02.6

bsp/buildroot/board/orangepi/orangepi-zero-plus2/boot.cmd

@@ -0,0 +1,6 @@
+setenv bootargs console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait
+
+fatload mmc 0 $kernel_addr_r Image
+fatload mmc 0 $fdt_addr_r sun50i-h5-orangepi-zero-plus2.dtb
+
+booti $kernel_addr_r - $fdt_addr_r

bsp/buildroot/board/orangepi/orangepi-zero-plus2/genimage.cfg

@@ -0,0 +1,39 @@
+image boot.vfat {
+	vfat {
+		files = {
+			"Image",
+			"sun50i-h5-orangepi-zero-plus2.dtb",
+			"boot.scr"
+		}
+	}
+	size = 64M
+}
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition spl {
+		in-partition-table = "no"
+		image = "sunxi-spl.bin"
+		offset = 8192
+	}
+
+	partition u-boot {
+		in-partition-table = "no"
+		image = "u-boot.itb"
+		offset = 40K
+		size = 1M # 1MB - 40K
+	}
+
+	partition boot {
+		partition-type = 0xC
+		bootable = "true"
+		image = "boot.vfat"
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+	}
+}

bsp/buildroot/board/orangepi/orangepi-zero-plus2/patches/linux/linux-0001-arm64-dts-orange-pi-zero-plus2-fix-sdcard-detect.patch

@@ -0,0 +1,30 @@
+From f88e9301948173dd35afad4a6939092c7f269aed Mon Sep 17 00:00:00 2001
+From: Sergey Matyukevich <geomatsi@gmail.com>
+Date: Fri, 3 Nov 2017 22:58:54 +0300
+Subject: [PATCH] arm64: dts: orange-pi-zero-plus2: fix sdcard detect
+
+The sdcard detect pin on orange-pi-zero-plus2 is pulled up.
+Fix cd-gpio description to enable sdcard detect.
+
+Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
+Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+---
+ arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
+index b6b7a56..a42fd79 100644
+--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
++++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
+@@ -71,7 +71,7 @@
+ 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
+ 	vmmc-supply = <&reg_vcc3v3>;
+ 	bus-width = <4>;
+-	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
++	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
+ 	status = "okay";
+ };
+ 
+-- 
+1.9.1
+

bsp/buildroot/board/orangepi/orangepi-zero-plus2/readme.txt

@@ -0,0 +1,37 @@
+Intro
+=====
+
+This default configuration will allow you to start experimenting with the
+buildroot environment for the Orangepi Zero Plus2. With the current configuration
+it will bring-up the board, and allow access through the serial console.
+
+Orangepi Zero Plus2 link:
+http://www.orangepi.org/OrangePiZeroPlus2/
+
+Wiki link:
+https://openedev.amarulasolutions.com/display/ODWIKI/Orangepi+Zero+Plus2
+
+This configuration uses U-Boot mainline and kernel mainline.
+
+How to build
+============
+
+    $ make orangepi_zero_plus2_defconfig
+    $ make
+
+Note: you will need access to the internet to download the required
+sources.
+
+How to write the SD card
+========================
+
+Once the build process is finished you will have an image called "sdcard.img"
+in the output/images/ directory.
+
+Copy the bootable "sdcard.img" onto an SD card with "dd":
+
+  $ sudo dd if=output/images/sdcard.img of=/dev/sdX
+  $ sudo sync
+
+Insert the micro SDcard in your Orangepi Zero Plus2 and power it up. The console
+is on the serial line, 115200 8N1.