sysbuild: Disable child image Kconfigs when PM is disabled

Prevents PM being enabled when it should be disabled in zephyr
tests by disabling child image Kconfigs that enable the PM
Kconfig option

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

Author: nordicjm

sysbuild/CMakeLists.txt

@@ -68,6 +68,16 @@ function(${SYSBUILD_CURRENT_MODULE_NAME}_pre_cmake)
   cmake_parse_arguments(PRE_CMAKE "" "" "IMAGES" ${ARGN})
   restore_ncs_vars()
 
+  if(NOT SB_CONFIG_PARTITION_MANAGER)
+    # Disable any Kconfigs for child images in the main application
+    foreach(config NCS_SAMPLE_EMPTY_APP_CORE_CHILD_IMAGE NCS_INCLUDE_RPMSG_CHILD_IMAGE NCS_SAMPLE_REMOTE_SHELL_CHILD_IMAGE
+            NCS_SAMPLE_DTM_REMOTE_HCI_CHILD_IMAGE NCS_SAMPLE_PERIPHERAL_RADIO_TEST_CHILD_IMAGE B0_BUILD_STRATEGY_USE_HEX_FILE
+            B0_BUILD_STRATEGY_SKIP_BUILD B0_BUILD_STRATEGY_FROM_SOURCE PM_SINGLE_IMAGE MCUBOOT_BUILD_STRATEGY_USE_HEX_FILE
+            MCUBOOT_BUILD_STRATEGY_SKIP_BUILD MCUBOOT_BUILD_STRATEGY_FROM_SOURCE)
+      set_config_bool(${DEFAULT_IMAGE} CONFIG_${config} n)
+    endforeach()
+  endif()
+
   foreach(image ${PRE_CMAKE_IMAGES})
     if(SB_CONFIG_PARTITION_MANAGER)
       set_config_bool(${image} CONFIG_PARTITION_MANAGER_ENABLED y)