[L] Change in flashrom[master]: Add initial CH347T SPI programmer

[Angel Pons (Code Review)]

Attention is currently required from: qianfan, Nicholas Chin, Angel Pons.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/70529 )

Change subject: Add initial CH347T SPI programmer
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Patch Set 6:

(1 comment)

File ch347t_spi.c:

https://review.coreboot.org/c/flashrom/+/70529/comment/729a881c_d40791ed 
PS5, Line 110: } __attribute__((packed));
> It's OK for gcc based compiler. […]

It's not just about the attribute, but the effects of struct packing. On some platforms, unaligned memory accesses will cause problems. This struct might be fine, but `struct ch347_spi_cs_param` has two unaligned 16-bit members.