doc: move DTS under Build/Configuration systems section

Move all DTS guides and APIs under Build/Configuration system.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

doc/CMakeLists.txt

@@ -116,7 +116,7 @@ add_custom_target(
   ${PYTHON_EXECUTABLE} ${GEN_DEVICETREE_REST_SCRIPT}
     --vendor-prefixes ${ZEPHYR_BASE}/dts/bindings/vendor-prefixes.txt
     ${DTS_ARGS}
-    ${DOCS_SRC_DIR}/reference/devicetree
+    ${DOCS_SRC_DIR}/build/dts/api
   VERBATIM
   USES_TERMINAL
   COMMENT "Generating Devicetree bindings documentation..."

doc/guides/dts/api-usage.rst renamed to doc/build/dts/api-usage.rst

@@ -1,7 +1,7 @@
 .. _devicetree:
 
-Devicetree
-##########
+Reference
+#########
 
 This is reference documentation for devicetree as it is used for Zephyr
 development. For a high-level guide, see :ref:`dt-guide`. For a

doc/reference/devicetree/api.rst renamed to doc/build/dts/api/api.rst

@@ -1,7 +1,7 @@
 .. _dt-guide:
 
-Devicetree Guide
-################
+Devicetree
+##########
 
 This is a high-level guide to devicetree as it is used for Zephyr development.
 See :ref:`devicetree` for reference material.
@@ -16,3 +16,4 @@ See :ref:`devicetree` for reference material.
    howtos.rst
    troubleshooting.rst
    dt-vs-kconfig.rst
+   api/index.rst