samples: drivers: video: capture: add FRDM-MCXN947

Add FRDM-MCXN947 to the video capture sample documentation and twister
YAML configuration, using the DVP OV7670 camera module newly introduced.

Signed-off-by: Josuah Demangeon <me@josuah.net>

Author: josuah

samples/drivers/video/capture/README.rst

@@ -19,10 +19,13 @@ Supported camera modules on some i.MX RT boards can be found below.
 - `Camera iMXRT`_
 
 - :zephyr:board:`mimxrt1064_evk`
-- `MT9M114 camera module`_
+  with a `MT9M114 camera module`_
 
 - :zephyr:board:`mimxrt1170_evk`
-- `OV5640 camera module`_
+  with an `OV5640 camera module`_
+
+- :zephyr:board:`frdm_mcxn947`
+  with any ``arducam,dvp-20pin-connector`` camera module such as :ref:`dvp_20pin_ov7670`.
 
 Also :zephyr:board:`arduino_nicla_vision` can be used in this sample as capture device, in that case
 The user can transfer the captured frames through on board USB.
@@ -70,6 +73,15 @@ commands:
    :goals: build
    :compact:
 
+For :zephyr:board:`frdm_mcxn947`, build this sample application with the following commands:
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/drivers/video/capture
+   :board: frdm_mcxn947/mcxn947/cpu0
+   :shield: dvp_20pin_ov7670
+   :goals: build
+   :compact:
+
 For testing purpose without the need of any real video capture and/or display hardwares,
 a video software pattern generator is supported by the above build commands without
 specifying the shields.

samples/drivers/video/capture/sample.yaml

@@ -10,6 +10,7 @@ tests:
       - platform:mimxrt1064_evk:SHIELD="dvp_fpc24_mt9m114;rk043fn66hs_ctg"
       - platform:mimxrt1170_evk/mimxrt1176/cm7:SHIELD="nxp_btb44_ov5640;rk055hdmipi4ma0"
       - platform:mimxrt1170_evk@B/mimxrt1176/cm7:SHIELD="nxp_btb44_ov5640;rk055hdmipi4ma0"
+      - platform:frdm_mcxn947/mcxn947/cpu0:SHIELD="dvp_20pin_ov7670"
     extra_configs:
       - CONFIG_TEST=y
       - CONFIG_FPU=y
@@ -28,6 +29,7 @@ tests:
       - mimxrt1064_evk
       - mimxrt1170_evk/mimxrt1176/cm7
       - mimxrt1170_evk@B/mimxrt1176/cm7
+      - frdm_mcxn947/mcxn947/cpu0
       - mm_swiftio
       - esp32s3_eye/esp32s3/procpu
     depends_on: video