zynqmp: Add avnet_ultra96_rev1_defconfig to the lits of boards

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/xilinx/zynqmp/MAINTAINERS b/board/xilinx/zynqmp/MAINTAINERS
index bb39f87..e6fed25 100644
--- a/board/xilinx/zynqmp/MAINTAINERS
+++ b/board/xilinx/zynqmp/MAINTAINERS
@@ -5,3 +5,4 @@
 F:	board/xilinx/zynqmp/
 F:	include/configs/xilinx_zynqmp*
 F:	configs/xilinx_zynqmp*
+F:	configs/avnet_ultra96_rev1_defconfig