tools: mtk_image: add support for nand headers used by newer chips

This patch adds more nand headers in two new types:
1. HSM header, used for spi-nand thru SNFI interface
2. SPIM header, used for spi-nand thru spi-mem interface

The original nand header is renamed to AP header.

Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
3 files changed