sysbuild: remove PERIPHCONF generation via nrf-regtool uicr-migrate

PERIPHCONF generation based on devicetree is being added in a script
in upstream zephyr. The new script script replaces nrf-regtool and the
temporary "periphconf migration" solution.

Ref: NCSDK-35206

Signed-off-by: Jonathan Nilsen <[email protected]>

Author: jonathannilsen

CMakeLists.txt

@@ -35,9 +35,3 @@ add_subdirectory(subsys)
 add_subdirectory(modules)
 add_subdirectory(drivers)
 add_subdirectory(tests)
-
-# TEMPHACK: Add a source file generated by cmake/sysbuild/periphconf_migrate.cmake
-if(SYSBUILD AND CONFIG_NRF_HALTIUM_GENERATE_UICR)
-  file(TOUCH ${APPLICATION_BINARY_DIR}/../periphconf_migrated.c)
-  zephyr_sources(${APPLICATION_BINARY_DIR}/../periphconf_migrated.c)
-endif()

cmake/sysbuild/periphconf_migrate.cmake

@@ -859,10 +859,6 @@ function(${SYSBUILD_CURRENT_MODULE_NAME}_post_cmake)
       set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${BINARY_DIR}/zephyr/.config)
     endif()
   endif()
-
-  if(SB_CONFIG_NRF_PERIPHCONF_MIGRATE)
-    include(${ZEPHYR_NRF_MODULE_DIR}/cmake/sysbuild/periphconf_migrate.cmake)
-  endif()
 endfunction(${SYSBUILD_CURRENT_MODULE_NAME}_post_cmake)
 
 # Enable use of partition manager with sysbuild.

sysbuild/CMakeLists.txt

@@ -84,5 +84,4 @@ rsource "Kconfig.approtect"
 rsource "Kconfig.lwm2m_carrier"
 rsource "Kconfig.cracen"
 rsource "Kconfig.tfm"
-rsource "Kconfig.periphconf"
 rsource "Kconfig.firmware_loader"