samples: boards: intel: group Intel board samples

Group all Intel board samples in samples/boards/intel to
keep samples/boards/ organized by vendor
Added missing code-sample directive to the code relocation sample.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>

MAINTAINERS.yml

@@ -3567,7 +3567,7 @@ Intel Platforms (Xtensa):
     - soc/intel/intel_adsp/
     - dts/xtensa/intel/
     - tests/boards/intel_adsp/
-    - samples/boards/intel_adsp/
+    - samples/boards/intel/adsp/
     - dts/bindings/*/intel,adsp*
     - scripts/west_commands/runners/intel_adsp.py
   labels:

doc/_scripts/redirects.py

@@ -227,6 +227,7 @@ REDIRECTS = [
     ('samples/boards/esp32/spiram_test/README', 'samples/boards/espressif/spiram_test/README'),
     ('samples/boards/esp32/wifi_apsta_mode/README', 'samples/boards/espressif/wifi_apsta_mode/README'),
     ('samples/boards/esp32/xt_wdt/README', 'samples/boards/espressif/xt_wdt/README'),
+    ('samples/boards/intel_adsp/code_relocation/README', 'samples/boards/intel/adsp/code_relocation/README'),
     ('samples/boards/mec15xxevb_assy6853/power_management/README', 'samples/boards/microchip/mec15xxevb_assy6853/power_management/README'),
     ('samples/boards/mimxrt1060_evk/system_off/README', 'samples/boards/nxp/mimxrt1060_evk/system_off/README'),
     ('samples/boards/mimxrt1170_evk_cm7/magic_addr/README', 'samples/boards/nxp/mimxrt1170_evk_cm7/magic_addr/README'),

samples/boards/intel/adsp/code_relocation/README.rst

@@ -1,7 +1,7 @@
-.. _intel_adsp_code_relocation:
+.. zephyr:code-sample:: intel_adsp_code_relocation
+   :name: Code relocation
 
-Intel ADSP CAVS Code relocation
-###############################
+   Relocate code using custom linker script.
 
 Overview
 ********
@@ -19,7 +19,7 @@ Building and Running
 This application can be built and executed as follows:
 
 .. zephyr-app-commands::
-   :zephyr-app: samples/hello_world
+   :zephyr-app: samples/boards/intel/adsp/code_relocation
    :board: intel_adsp/cavs25
    :goals: build
    :compact: