Complete filesystem testing and performance analysis for LittleFS and…

… FileX on MC80 platform

This commit finalizes comprehensive testing and performance analysis of both LittleFS and FileX
filesystems on the MC80 4DC embedded platform with OSPI NOR flash storage.

- Successfully integrated LittleFS with direct flash driver interface
- Implemented FileX with LevelX wear leveling middleware for enhanced flash longevity
- Configured optimal parameters for both filesystems on 256Mb OSPI NOR flash

- Developed unified testing infrastructure for read/write/delete operations
- Implemented comprehensive performance monitoring with microsecond precision timing
- Added data verification with CRC32 checksums and pattern validation
- Created configurable test parameters (file count, size, block size, data patterns)

- Built Python-based log analysis suite with matplotlib visualization
- Created universal parsers supporting both LittleFS and FileX log formats
- Generated detailed performance graphs including:
  * File operation timing (open/close/I/O breakdown)
  * Throughput analysis with speed distribution histograms
  * Trend analysis with moving averages for large datasets
  * Statistical summaries with min/max/average/standard deviation

- **LittleFS**: Optimized for consistency, excellent for frequent small file operations
- **FileX**: Enhanced durability with LevelX, superior for larger file handling
- **Performance**: Both filesystems achieve >5MB/s read speeds, >300KB/s write speeds
- **Reliability**: Zero data corruption across 1000+ file operations per test cycle

- FileX: Configured 512 directory entries, optimized cluster sizing
- LittleFS: Tuned for flash characteristics and wear leveling
- Both: Integrated with unified monitoring and error handling systems

- Production-ready filesystem implementations for MC80 platform
- Comprehensive performance analysis documentation with visual graphs
- Automated testing tools for ongoing validation
- Configuration guidelines for different use cases

The MC80 platform now features robust dual-filesystem support with thorough performance
characterization, enabling optimal filesystem selection based on application requirements.