doc: reference: Update overview for 2.3

Update the API overview page by looking at the changes in include/ since
the last release.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
diff --git a/doc/reference/overview.rst b/doc/reference/overview.rst
index b8655eb..e494276 100644
--- a/doc/reference/overview.rst
+++ b/doc/reference/overview.rst
@@ -27,7 +27,7 @@
    * - :ref:`bluetooth_api`
      - Stable
      - 1.0
-     - 2.2
+     - 2.3
 
    * - :ref:`can_api`
      - Experimental
@@ -42,12 +42,12 @@
    * - :ref:`device_model_api`
      - Stable
      - 1.0
-     - 2.2
+     - 2.3
 
    * - :ref:`devicetree_api`
      - Experimental
      - 2.2
-     - 2.2
+     - 2.3
 
    * - :ref:`display_api`
      - Unstable
@@ -62,7 +62,7 @@
    * - :ref:`kernel_api`
      - Stable
      - 1.0
-     - 2.2
+     - 2.3
 
    * - :ref:`logging_api`
      - Stable
@@ -77,7 +77,7 @@
    * - :ref:`networking_api`
      - Stable
      - 1.0
-     - 2.2
+     - 2.3
 
    * - :ref:`adc_api`
      - Stable
@@ -132,7 +132,7 @@
    * - :ref:`hwinfo_api`
      - Stable
      - 1.14
-     - 1.14
+     - 2.3
 
    * - :ref:`i2c_eeprom_slave_api`
      - Stable
@@ -164,6 +164,11 @@
      - 2.1
      - 2.2
 
+   * - :ref:`peci_api`
+     - Stable
+     - 2.1
+     - 2.2
+
    * - :ref:`pinmux_api`
      - Stable
      - 1.0
@@ -182,7 +187,7 @@
    * - :ref:`sensor_api`
      - Stable
      - 1.2
-     - 2.0
+     - 2.3
 
    * - :ref:`spi_api`
      - Stable
@@ -227,7 +232,7 @@
    * - :ref:`shell_api`
      - Stable
      - 1.14
-     - 2.2
+     - 2.3
 
    * - :ref:`disk_access_api`
      - Stable
@@ -252,7 +257,7 @@
    * - :ref:`flash_map_api`
      - Stable
      - 1.11
-     - 2.0
+     - 2.3
 
    * - :ref:`nvs_api`
      - Stable
@@ -262,7 +267,7 @@
    * - :ref:`usb_api`
      - Stable
      - 1.5
-     - 2.2
+     - 2.3
 
    * - :ref:`usermode_api`
      - Stable
diff --git a/doc/reference/peripherals/peci.rst b/doc/reference/peripherals/peci.rst
index c573fb2..5223622 100644
--- a/doc/reference/peripherals/peci.rst
+++ b/doc/reference/peripherals/peci.rst
@@ -1,4 +1,4 @@
-.. _peci:
+.. _peci_api:
 
 PECI
 ####
diff --git a/samples/drivers/peci/README.rst b/samples/drivers/peci/README.rst
index 10ef4ed..6d1038d 100644
--- a/samples/drivers/peci/README.rst
+++ b/samples/drivers/peci/README.rst
@@ -6,7 +6,7 @@
 Overview
 ********
 
-This sample demonstrates how to use the :ref:`PECI API <peci>`.
+This sample demonstrates how to use the :ref:`PECI API <peci_api>`.
 Callbacks are registered that will write to the console indicating PECI events.
 These events indicate PECI host interaction.