samples: video: tcpserversink: Add stm32n6570_dk as integration platform

Required to build VIDEO_STM32_VENC.

Signed-off-by: Erwan Gouriou <[email protected]>

Author: erwango

boards/st/stm32n6570_dk/twister.yaml

@@ -22,6 +22,7 @@ supported:
   - usb_device
   - usbd
   - netif:eth
+  - video
 variants:
   stm32n6570_dk/stm32n657xx:
     twister: false

samples/drivers/video/tcpserversink/sample.yaml

@@ -8,11 +8,15 @@ tests:
       - net
       - socket
       - shield
-    platform_allow: mimxrt1064_evk/mimxrt1064
+    platform_allow:
+      - mimxrt1064_evk/mimxrt1064
+      - stm32n6570_dk/stm32n657xx/sb
     depends_on:
       - video
       - netif
     integration_platforms:
       - mimxrt1064_evk/mimxrt1064
+      - stm32n6570_dk/stm32n657xx/sb
     extra_args:
       - platform:mimxrt1064_evk/mimxrt1064:SHIELD=dvp_fpc24_mt9m114
+      - platform:stm32n6570_dk/stm32n657xx/sb:SHIELD=st_b_cams_imx_mb1854