Change in flashrom[master]: [RFC][OTP] dummyflasher: implement SCUR and OTP for MX25L6436

[Sergii Dmytruk (Code Review)]

Attention is currently required from: Nico Huber, Angel Pons.
Hello build bot (Jenkins), Nico Huber, Angel Pons,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/flashrom/+/59710

to look at the new patch set (#3).

Change subject: [RFC][OTP] dummyflasher: implement SCUR and OTP for MX25L6436
......................................................................

[RFC][OTP] dummyflasher: implement SCUR and OTP for MX25L6436

The chip has OTP mode, but state of OTP is stored in a security
register.

Additions:
 * spi_scur parameter for dummyflasher to configure initial state of
   security register
 * commands for entering/leaving OTP mode (ENSO, EXSO)
 * commands for reading/writing secure register (RDSCUR, WRSCUR)

Change-Id: I13716d597d305351ec27d532e9020615c397693a
Signed-off-by: Sergii Dmytruk 
---
M dummyflasher.c
M flashrom.8.tmpl
M spi.h
3 files changed, 84 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/10/59710/3