[nrf fromlist] scripts: nrf_common: Use cfg for SUIT paths

It is safer to base the SUIT artifacts path on the path of the
configuration file than the HEX file that is being flashed.
The latter may be overriden by several scripts that merge/transform the
final firmware image.

Ref: NCSDK-26282

Upstream PR: zephyrproject-rtos/zephyr#76560

Signed-off-by: Tomasz Chyrowicz <[email protected]>

Author: tomchy

scripts/west_commands/runners/nrf_common.py

@@ -265,14 +265,14 @@ def program_hex(self):
             # This logic should be executed only once per build.
             # Use sysbuild board qualifiers to select the context, with which the artifacts will be programmed.
             if self.build_conf.get('CONFIG_BOARD_QUALIFIERS') == self.sysbuild_conf.get('SB_CONFIG_BOARD_QUALIFIERS'):
-                hex_path = Path(self.hex_)
+                mpi_hex_dir = Path(os.path.join(self.cfg.build_dir, 'zephyr'))
 
                 # Handle Manifest Provisioning Information
                 if self.build_conf.getboolean('CONFIG_SUIT_MPI_GENERATE'):
                     app_mpi_hex_file = os.fspath(
-                        hex_path.parent / self.build_conf.get('CONFIG_SUIT_MPI_APP_AREA_PATH'))
+                        mpi_hex_dir / self.build_conf.get('CONFIG_SUIT_MPI_APP_AREA_PATH'))
                     rad_mpi_hex_file = os.fspath(
-                        hex_path.parent / self.build_conf.get('CONFIG_SUIT_MPI_RAD_AREA_PATH'))
+                        mpi_hex_dir / self.build_conf.get('CONFIG_SUIT_MPI_RAD_AREA_PATH'))
                     self.op_program(app_mpi_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_APPLICATION')
                     self.op_program(rad_mpi_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_NETWORK')
 
@@ -281,7 +281,7 @@ def program_hex(self):
                 # as well as the output HEX file.
                 if not self.build_conf.getboolean('CONFIG_SOC_NRF54H20_CPUAPP') and self.sysbuild_conf.get('SB_CONFIG_SUIT_ENVELOPE'):
                     app_root_envelope_hex_file = os.fspath(
-                        hex_path.parent / 'suit_installed_envelopes_application_merged.hex')
+                        mpi_hex_dir / 'suit_installed_envelopes_application_merged.hex')
                     self.op_program(app_root_envelope_hex_file, 'ERASE_NONE', None, defer=True, core='NRFDL_DEVICE_CORE_APPLICATION')
 
             if self.build_conf.getboolean('CONFIG_SOC_NRF54H20_CPUAPP'):