Change in flashrom[master]: ichspi: Unify timeout (5sec) across all SPI operations

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Nico Huber, Subrata Banik, Paul Menzel, Edward O'Callaghan, Angel Pons.
Anastasia Klimchuk has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/62867 )

Change subject: ichspi: Unify timeout (5sec) across all SPI operations
......................................................................

Patch Set 5:

(2 comments)

Patchset:

PS5: 
Just curious, what was the reason for using two different timeouts?

File ichspi.c:

https://review.coreboot.org/c/flashrom/+/62867/comment/459b2404_3534df0b 
PS5, Line 33: /* Sunrise Point */
This "Sunrise Point" comment used to be above HSFS status bits macros, maybe it should be moved back to its place, if those macros are platform-specific?
Is ICH_HWSEQ_XFER_TIMEOUT_US Sunrise Point specific? (I don't think so).