MAINTAINERS: add entry for FPGA DFL drivers

Add entry for FPGA Device Feature List (DFL) drivers.
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Alan Tull <atull@kernel.org>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -5634,6 +5634,14 @@ F:	drivers/fpga/
 F:	include/linux/fpga/
 W:	http://www.rocketboards.org
 
+FPGA DFL DRIVERS
+M:	Wu Hao <hao.wu@intel.com>
+L:	linux-fpga@vger.kernel.org
+S:	Maintained
+F:	Documentation/fpga/dfl.txt
+F:	include/uapi/linux/fpga-dfl.h
+F:	drivers/fpga/dfl*
+
 FPU EMULATOR
 M:	Bill Metzenthen <billm@melbpc.org.au>
 W:	http://floatingpoint.sourceforge.net/emulator/index.html