update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/board/solidrun/mx6cubox/genimage.cfg

@@ -0,0 +1,29 @@
+# Minimal SD card image for the MX6 Cubox/Hummingboard
+#
+# U-Boot SPL and u-boot.img are flashed in the first 1MB raw partition.
+# A single root filesystem partition is used (Ext4 in this case).
+#
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition spl {
+		in-partition-table = "no"
+		image = "SPL"
+		offset = 1K
+	}
+
+	partition u-boot {
+		in-partition-table = "no"
+		image = "u-boot.img"
+		offset = 69K
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+		offset = 1M
+		size = 512M
+	}
+}