samples: rtxxx-amp: amp_blinky: Disable for mimxrt700_evk/hifi4

Add a build error conditional for mimxrt700_evk/mimxrt798s/cm33_cpu0,
thus disabling build for the hifi4 domain. Remove that target from
platform_allow in sample.yaml.

Signed-off-by: Vit Stanicek <[email protected]>

Author: VitekST

samples/boards/nxp/adsp/rtxxx/amp_blinky/CMakeLists.txt

@@ -9,3 +9,7 @@ project(amp_blinky)
 target_sources(app PRIVATE src/main.c)
 
 include("${CMAKE_CURRENT_LIST_DIR}/../common/dsp-load.cmake")
+
+if(CONFIG_BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU0)
+  message(FATAL_ERROR "This example is not supported on the selected board.")
+endif()

samples/boards/nxp/adsp/rtxxx/amp_blinky/sample.yaml

@@ -8,7 +8,6 @@ common:
   min_flash: 1024
   platform_allow:
     - mimxrt685_evk/mimxrt685s/cm33
-    - mimxrt700_evk/mimxrt798s/cm33_cpu0
   harness: console
   harness_config:
     type: one_line