boards: amlogic: update documentation for PCIe support

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst
index 275c366..8da7afd 100644
--- a/doc/board/amlogic/index.rst
+++ b/doc/board/amlogic/index.rst
@@ -70,6 +70,8 @@
 +-------------------------------+-----------+-----------------+--------------+------------+------------+-------------+--------------+
 | SoC (version) information     | **Yes**   | **Yes**         | **Yes**      | **Yes**    | **Yes**    | **Yes**     | **Yes**      |
 +-------------------------------+-----------+-----------------+--------------+------------+------------+-------------+--------------+
+| PCIe (+NVMe)                  | *N/A*     | *N/A*           | *N/A*        | **Yes**    | **Yes**    | **Yes**     | **Yes**      |
++-------------------------------+-----------+-----------------+--------------+------------+------------+-------------+--------------+
 
 Board Documentation
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