boards: board_app_initialize() don't return early on failure

- depending on the situation we're more likely to get actionable user
feedback by allowing boot to complete rather than silently failing

boards/ark/can-flow/src/init.c

@@ -146,7 +146,6 @@ __EXPORT int board_app_initialize(uintptr_t arg)
 
 	if (result != OK) {
 		syslog(LOG_ERR, "[boot] FAILED to init params in FLASH %d\n", result);
-		return -ENODEV;
 	}
 
 #endif // FLASH_BASED_PARAMS