doc/boot-devices: document IGB/AOC-SG-I2 NIC

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/doc/boot-devices.rst b/doc/boot-devices.rst
index 5886b08..1f08da1 100644
--- a/doc/boot-devices.rst
+++ b/doc/boot-devices.rst
@@ -19,6 +19,8 @@
 +-------------------------------+-----------------------+--------+----------------------------+
 | Device name                   | Kconfig option        | System | Owner                      |
 +===============================+=======================+========+============================+
+| AOC-SG-I2 NIC                 | IGB                   | Boston | maurosr@linux.vnet.ibm.com |
++-------------------------------+-----------------------+--------+----------------------------+
 | Broadcom NetExtreme II        | BNX2X                 |        |                            |
 +-------------------------------+-----------------------+--------+----------------------------+
 | Mellanox ConnectX-4           | MLX5_CORE_EN          |        |                            |