docs/system/arm: Document the Xilinx Versal Virt board

Document the Xilinx Versal Virt board.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20200803164749.301971-2-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 0886eb3..5a22c8b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -894,7 +894,7 @@
 F: include/hw/misc/zynq*
 X: hw/ssi/xilinx_*
 
-Xilinx ZynqMP
+Xilinx ZynqMP and Versal
 M: Alistair Francis <alistair@alistair23.me>
 M: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 M: Peter Maydell <peter.maydell@linaro.org>
@@ -905,6 +905,7 @@
 F: include/hw/ssi/xilinx_spips.h
 F: hw/display/dpcd.c
 F: include/hw/display/dpcd.h
+F: docs/system/arm/xlnx-versal-virt.rst
 
 ARM ACPI Subsystem
 M: Shannon Zhao <shannon.zhaosl@gmail.com>