- Added support for BABE, CXC, and RAW firmware formats.
- Supports multiple firmware inputs and generates separate VKP outputs per firmware.
- Insert ";pAtChFiLe=/boot/.cxc" header for CXC firmware automatically.
- Fill old bytes with 0xFF for old BABE firmware, 0x00 otherwise.
- Handles overlapping firmware sections correctly in emitVKP.