Samples: Bluetooth: Mesh: Disable Friend on 52DK

This disables the Friend feature when sample is compiled on 52DK to
save some RAM. Friendship is optional feature and not needed by BLCNLC
Profile, which is demonstrated in this sample.

Signed-off-by: Omkar Kulkarni <[email protected]>

Author: omkar3141

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -338,6 +338,13 @@ Bluetooth samples
 
   * Added reconnection to bonded devices based on their address.
 
+Bluetooth Mesh samples
+----------------------
+
+* :ref:`bluetooth_mesh_light_lc` sample:
+
+  * Disabled the Friend feature when the sample is compiled for the :ref:`zephyr:nrf52dk_nrf52832` board target to increase the amount of RAM available for the application.
+
 Bluetooth Fast Pair samples
 ---------------------------
 

samples/bluetooth/mesh/light_ctrl/README.rst

@@ -167,7 +167,15 @@ Configuration
 
 |config|
 
-|nrf5340_mesh_sample_note|
+.. tabs::
+
+   .. group-tab:: nRF52 DK (nRF52832)
+
+      Due to limited RAM on the nRF52832 device, the Friend feature is disabled for this DK.
+
+   .. group-tab:: nRF53 DKs
+
+      |nrf5340_mesh_sample_note|
 
 The Kconfig option :kconfig:option:`CONFIG_BT_MESH_LIGHT_CTRL_REG_SPEC` is set by default as it is necessary for the :ref:`bt_mesh_light_ctrl_srv_readme` model according to the `Bluetooth Mesh model specification`_.
 The option enables a separate module called illuminance regulator.

samples/bluetooth/mesh/light_ctrl/boards/nrf52dk_nrf52832.conf

@@ -7,3 +7,4 @@
 # Application overlay - nrf52dk_nrf52832
 
 CONFIG_SOC_FLASH_NRF_PARTIAL_ERASE=n
+CONFIG_BT_MESH_FRIEND=n