MAINTAINERS: Add myself as maintainer for hikey

This patch adds myself as maintainer for the hikey
U-Boot port.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/hisilicon/hikey/MAINTAINERS b/board/hisilicon/hikey/MAINTAINERS
new file mode 100644
index 0000000..11088ee
--- /dev/null
+++ b/board/hisilicon/hikey/MAINTAINERS
@@ -0,0 +1,6 @@
+HIKEY BOARD
+M:     Peter Griffin <peter.griffin@linaro.org>
+S:     Maintained
+F:     board/hisilicon/hikey
+F:     include/configs/hikey.h
+F:     configs/hikey_defconfig