usb: frdm_imx93: twister: fix usb.uvc.encoder twister build error

frdm_imx93 dosen't include the comlilation of usb.uvc.encoder,
disable bellow samples to make sure twister build.
- sample.subsys.usb.uvc.encoder.h264
- sample.subsys.usb.uvc.encoder.jpeg

Signed-off-by: Jony Zhang <jony.zhang@nxp.com>

Author: JonyZhang7

samples/subsys/usb/uvc/sample.yaml

@@ -39,6 +39,8 @@ tests:
     filter: dt_chosen_enabled("zephyr,camera")
     integration_platforms:
       - stm32n6570_dk/stm32n657xx/sb
+    platform_exclude:
+      - frdm_imx93/mimx9352/a55
   sample.subsys.usb.uvc.encoder.jpeg:
     depends_on:
       - usbd
@@ -51,3 +53,5 @@ tests:
     filter: dt_chosen_enabled("zephyr,camera")
     integration_platforms:
       - stm32n6570_dk/stm32n657xx/sb
+    platform_exclude:
+      - frdm_imx93/mimx9352/a55