docs: Add initial documentation on WiFi chipsets support

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

docs/hardware-support/index.rst

@@ -19,3 +19,4 @@ This section details the hardware (including virtualized) supported as part of
    virtual-boards/index
    adding-hardware-support
    blueprint-peripherals/index
+   peripherals/index

docs/hardware-support/peripherals/index.rst

+.. SPDX-FileCopyrightText: Huawei Inc.
+..
+.. SPDX-License-Identifier: CC-BY-4.0
+
+.. include:: ../../definitions.rst
+
+|main_project_name| Support for Peripherals
+###########################################
+
+This section details the supported peripherals as part of |main_project_name|.
+
+Supported WiFi Chipsets
+***********************
+
+|main_project_name| provides support for the on-board WiFi chipsets on the
+targets it maintains compatibility with. For more info check the documentation
+for each :ref:`supported board <SupportedBoards>`.