cmake: nordic: save build information regarding SVD file used.

Save information regarding SVD file in use in vendor-specific section
of the build info file.

Information is stored under Nordic section.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>

modules/hal_nordic/nrfx/CMakeLists.txt

@@ -229,3 +229,4 @@ mdk_svd_ifdef(CONFIG_SOC_NRF9160              nrf9160.svd)
 mdk_svd_ifdef(CONFIG_SOC_NRF9230_ENGB_CPUAPP  nrf9230_engb_application.svd)
 mdk_svd_ifdef(CONFIG_SOC_NRF9230_ENGB_CPUPPR  nrf9230_engb_ppr.svd)
 mdk_svd_ifdef(CONFIG_SOC_NRF9230_ENGB_CPURAD  nrf9230_engb_radiocore.svd)
+build_info(vendor-specific nordic svdfile VALUE ${SOC_SVD_FILE})