DEVELOPERS: add entry for zynq_zybo_defconfig

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1925,6 +1925,10 @@ F:	package/python-flask-jsonrpc/
 F:	package/python-flask-login/
 F:	package/qt5/qt5charts/
 
+N:	Sebastien Van Cauwenberghe <svancau@gmail.com>
+F:	board/digilent/zybo/
+F:	configs/zynq_zybo_defconfig
+
 N:	Semyon Kolganov <semenak94@mail.ru>
 F:	package/fmt/
 F:	package/libbson/