MAINTAINERS: Add missing entries for the Xilinx ZynqMP machine

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20181125205000.10324-5-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

MAINTAINERS

@@ -741,6 +741,9 @@ L: qemu-arm@nongnu.org
 S: Maintained
 F: hw/*/xlnx*.c
 F: include/hw/*/xlnx*.h
+F: include/hw/ssi/xilinx_spips.h
+F: hw/display/dpcd.c
+F: include/hw/display/dpcd.h
 
 ARM ACPI Subsystem
 M: Shannon Zhao <shannon.zhaosl@gmail.com>