board: mediatek: Add support for UniElec U7623 board

This is an MT7623A-based board, very similar to the Banana Pi R2.

http://www.unielecinc.com/q/news/cn/p/product/detail.html?qd_guid=OjXwKCaRlN

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/board/mediatek/mt7623/MAINTAINERS b/board/mediatek/mt7623/MAINTAINERS
index eeb0375..1a8d796 100644
--- a/board/mediatek/mt7623/MAINTAINERS
+++ b/board/mediatek/mt7623/MAINTAINERS
@@ -5,3 +5,10 @@
 F:	board/mediatek/mt7623
 F:	include/configs/mt7623.h
 F:	configs/mt7623n_bpir2_defconfig
+
+UNIELEC U7623
+M:	Ryder Lee <ryder.lee@mediatek.com>
+M:	David Woodhouse <dwmw2@infradead.org>
+S:	Maintained
+F:	arch/arm/dts/mt7623a-unielec-u7623-02-emmc.dts
+F:	configs/mt7623a_unielec_u7623_02_defconfig