mysteries_intel: Add a section for software vs hardware sequencing

This attempts to explain software sequencing, hardware sequencing,
and the "Opaque flash chip".

Change-Id: I2445e926aad96060f26d0bc55dd7642c1a404296
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/42485
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
1 file changed