doc: move pinctrl to hardware support

Move pinctrl guides and APIs into hardware section.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

doc/guides/index.rst

@@ -9,7 +9,6 @@ User and Developer Guides
    coccinelle.rst
    code-relocation.rst
    flash_debug/index
-   pinctrl/index
    emulator/index.rst
    platformio/index.rst
    portability/index.rst

doc/hardware/index.rst

@@ -8,3 +8,4 @@ Hardware Support
 
    arch/index.rst
    peripherals/index.rst
+   pinctrl/index.rst

doc/hardware/pinctrl/index.rst

@@ -488,6 +488,19 @@ The example below contains a complete example of a device driver that uses the
 
     DT_INST_FOREACH_STATUS_OKAY(MYDEV_DEFINE)
 
+.. _pinctrl_api:
+
+Pin Control API
+****************
+
+.. doxygengroup:: pinctrl_interface
+
+Dynamic pin control
+====================
+
+.. doxygengroup:: pinctrl_interface_dynamic
+
+
 Other reference material
 ************************
 

doc/reference/index.rst

@@ -11,7 +11,5 @@ API Reference
    canbus/index.rst
    misc/index
    modbus/index.rst
-
-   pinctrl/index.rst
    usb/index.rst
    virtualization/index.rst

doc/reference/pinctrl/index.rst

@@ -1,11 +0,0 @@
-.. _pinctrl_api:
-
-Pin Control
-###########
-
-.. doxygengroup:: pinctrl_interface
-
-Dynamic pin control
-*******************
-
-.. doxygengroup:: pinctrl_interface_dynamic