docs: networking: move z8530 to the hw driver section

Move z8530 docs to hamradio and wan subdirectories.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/device_drivers/hamradio/index.rst

@@ -0,0 +1,18 @@
+.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+Amateur Radio Device Drivers
+============================
+
+Contents:
+
+.. toctree::
+   :maxdepth: 2
+
+   z8530drv
+
+.. only::  subproject and html
+
+   Indices
+   =======
+
+   * :ref:`genindex`

Documentation/networking/device_drivers/index.rst

@@ -11,6 +11,8 @@ Contents:
    cable/index
    cellular/index
    ethernet/index
+   hamradio/index
+   wan/index
    wifi/index
 
 .. only::  subproject and html

Documentation/networking/device_drivers/wan/index.rst

@@ -0,0 +1,18 @@
+.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+Classic WAN Device Drivers
+==========================
+
+Contents:
+
+.. toctree::
+   :maxdepth: 2
+
+   z8530book
+
+.. only::  subproject and html
+
+   Indices
+   =======
+
+   * :ref:`genindex`

Documentation/networking/index.rst

@@ -20,7 +20,6 @@ Contents:
    ieee802154
    j1939
    kapi
-   z8530book
    msg_zerocopy
    failover
    net_dim
@@ -122,7 +121,6 @@ Contents:
    xfrm_proc
    xfrm_sync
    xfrm_sysctl
-   z8530drv
 
 .. only::  subproject and html