net: openthread: Move glue code into module directory

Move OpenThread's glue code along with the Kconfig files that configure
OpenThread stack itself into module directory.

Update the maintainers file to reflect this change.

Signed-off-by: Robert Lubos <[email protected]>

Author: rlubos

MAINTAINERS.yml

@@ -1334,7 +1334,6 @@ Networking:
         - samples/net/lwm2m_client/
         - subsys/net/lib/coap/
         - subsys/net/lib/lwm2m/
-        - subsys/net/lib/openthread/
         - subsys/net/lib/tls_credentials/
     labels:
         - "area: Networking"
@@ -1410,7 +1409,6 @@ Networking:
         - pdgendt
     files:
         - subsys/net/l2/openthread/
-        - subsys/net/lib/openthread/
         - samples/net/openthread/
     labels:
         - "area: Networking"
@@ -2384,7 +2382,8 @@ West:
         - rlubos
     collaborators:
         - pdgendt
-    files: []
+    files:
+        - modules/openthread/
     labels:
         - manifest-openthread
 

modules/openthread/CMakeLists.txt

@@ -1,3 +1,4 @@
+if(CONFIG_OPENTHREAD)
 if(CONFIG_OPENTHREAD_SOURCES)
 
 set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
@@ -484,3 +485,7 @@ endif()
 zephyr_link_libraries(${ot_libs})
 
 endif()
+
+add_subdirectory(platform)
+
+endif()

modules/openthread/Kconfig

@@ -0,0 +1,19 @@
+# Copyright (c) 2022 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+config OPENTHREAD
+	bool "OpenThread Support"
+	help
+	  This option enables the OpenThread library
+
+if OPENTHREAD
+
+menu "OpenThread stack features"
+rsource "Kconfig.features"
+endmenu
+
+menu "Thread Network configuration"
+rsource "Kconfig.thread"
+endmenu
+
+endif # OPENTHREAD

subsys/net/l2/openthread/Kconfig.features renamed to modules/openthread/Kconfig.features

@@ -39,7 +39,7 @@ config OPENTHREAD_JOINER_PSKD
 	depends on OPENTHREAD_JOINER_AUTOSTART
 	default "J01NME"
 
-choice
+choice OPENTHREAD_DEVICE_TYPE
 	prompt "OpenThread device type"
 	help
 	  This option selects Thread network device type