[nrf toup] Add Kconfig to set CHIP_APP_ZAP_DIR

We need this Kconfig to set the proper CHIP_APP_ZAP_DIR if the
custom location of the zap-generated files is used.

Signed-off-by: Arkadiusz Balys <[email protected]>

Author: ArekBalysNordic

config/nrfconnect/chip-module/CMakeLists.txt

@@ -41,7 +41,10 @@ if (NOT CHIP_ROOT)
     get_filename_component(CHIP_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../.. REALPATH)
 endif()
 
-if (NOT CHIP_APP_ZAP_DIR)
+if (CONFIG_CHIP_APP_ZAP_DIR)
+    string(CONFIGURE "${CONFIG_CHIP_APP_ZAP_DIR}" app_zap_dir)
+    get_filename_component(CHIP_APP_ZAP_DIR ${app_zap_dir} REALPATH)
+elseif (NOT CHIP_APP_ZAP_DIR)
     get_filename_component(CHIP_APP_ZAP_DIR ${CHIP_ROOT}/zzz_generated/app-common REALPATH)
 endif()
 

config/nrfconnect/chip-module/Kconfig

@@ -26,6 +26,11 @@ config CHIP
 
 if CHIP
 
+config CHIP_APP_ZAP_DIR
+	string "Path to the zap-generated directory"
+	help
+	  It shall contain all the files generated by the zap-generate command.
+
 config CHIP_NRF_PLATFORM
 	bool
 	default y