[nrfconnect] Allow switching CHIP_APP_ZAP_DIR by cmake.

Signed-off-by: Maciej Baczmanski <maciej.baczmanski@nordicsemi.no>

Author: maciejbaczmanski

config/nrfconnect/chip-module/CMakeLists.txt

@@ -41,6 +41,11 @@ include(generate_factory_data.cmake)
 if (NOT CHIP_ROOT)
     get_filename_component(CHIP_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../.. REALPATH)
 endif()
+
+if (NOT CHIP_APP_ZAP_DIR)
+    get_filename_component(CHIP_APP_ZAP_DIR ${CHIP_ROOT}/zzz_generated/app-common REALPATH)
+endif()
+
 get_filename_component(GN_ROOT_TARGET ${CHIP_ROOT}/config/nrfconnect/chip-gn REALPATH)
 get_filename_component(COMMON_CMAKE_SOURCE_DIR ${CHIP_ROOT}/config/common/cmake REALPATH)
 
@@ -132,6 +137,7 @@ matter_common_gn_args(
 matter_add_gn_arg_string("zephyr_ar"                              ${CMAKE_AR})
 matter_add_gn_arg_string("zephyr_cc"                              ${CMAKE_C_COMPILER})
 matter_add_gn_arg_string("zephyr_cxx"                             ${CMAKE_CXX_COMPILER})
+matter_add_gn_arg_string("chip_app_zap_dir"                       ${CHIP_APP_ZAP_DIR})
 matter_add_gn_arg_bool  ("chip_logging"                           CONFIG_LOG)
 matter_add_gn_arg_bool  ("chip_enable_openthread"                 CONFIG_NET_L2_OPENTHREAD)
 matter_add_gn_arg_bool  ("chip_openthread_ftd"                    CONFIG_OPENTHREAD_FTD)